Finding the Fourth Proportional to 12,025,139.02, 16,583,976.92 and 9,376,642.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,025,139.02 : 16,583,976.92 = 9,376,642.69 : x
2. Step 2: Convert to fraction form
   12,025,139.02/16,583,976.92 = 9,376,642.69/x
3. Step 3: Cross multiply
   12,025,139.02x = 16,583,976.92 × 9,376,642.69
4. Step 4: Simplify right side
   12,025,139.02x = 155,502,025,940,028.38
5. Step 5: Solve for x
   x = 155,502,025,940,028.38/12,025,139.02
6. Step 6: Final answer
   x = 12,931,411.91