Finding the Fourth Proportional to 9,387,627.18, 12,953,854.17 and 5,257,084.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,387,627.18 : 12,953,854.17 = 5,257,084.02 : x
2. Step 2: Convert to fraction form
   9,387,627.18/12,953,854.17 = 5,257,084.02/x
3. Step 3: Cross multiply
   9,387,627.18x = 12,953,854.17 × 5,257,084.02
4. Step 4: Simplify right side
   9,387,627.18x = 68,099,499,754,517.36
5. Step 5: Solve for x
   x = 68,099,499,754,517.36/9,387,627.18
6. Step 6: Final answer
   x = 7,254,176.00