Finding the Fourth Proportional to 12,272,301.72, 18,408,454.20 and 3,752,638.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,272,301.72 : 18,408,454.20 = 3,752,638.56 : x
2. Step 2: Convert to fraction form
   12,272,301.72/18,408,454.20 = 3,752,638.56/x
3. Step 3: Cross multiply
   12,272,301.72x = 18,408,454.20 × 3,752,638.56
4. Step 4: Simplify right side
   12,272,301.72x = 69,080,275,060,913.95
5. Step 5: Solve for x
   x = 69,080,275,060,913.95/12,272,301.72
6. Step 6: Final answer
   x = 5,628,958.34