Finding the Fourth Proportional to 868,245,501,216.72, 1,197,347,257,820.50 and 574,805,917,344.72

Step by Step Solution

1. Step 1: Write the proportion equation
   868,245,501,216.72 : 1,197,347,257,820.50 = 574,805,917,344.72 : x
2. Step 2: Convert to fraction form
   868,245,501,216.72/1,197,347,257,820.50 = 574,805,917,344.72/x
3. Step 3: Cross multiply
   868,245,501,216.72x = 1,197,347,257,820.50 × 574,805,917,344.72
4. Step 4: Simplify right side
   868,245,501,216.72x = 688,242,288,911,697,374,609,408
5. Step 5: Solve for x
   x = 688,242,288,911,697,374,609,408/868,245,501,216.72
6. Step 6: Final answer
   x = 792,681,664,284.15