Finding the Fourth Proportional to 79,238,887.88, 109,303,337.52 and 49,823,650.40

Step by Step Solution

1. Step 1: Write the proportion equation
   79,238,887.88 : 109,303,337.52 = 49,823,650.40 : x
2. Step 2: Convert to fraction form
   79,238,887.88/109,303,337.52 = 49,823,650.40/x
3. Step 3: Cross multiply
   79,238,887.88x = 109,303,337.52 × 49,823,650.40
4. Step 4: Simplify right side
   79,238,887.88x = 5,445,891,275,603,166
5. Step 5: Solve for x
   x = 5,445,891,275,603,166/79,238,887.88
6. Step 6: Final answer
   x = 68,727,507.69