Finding the Fourth Proportional to 12,976,084.62, 17,906,227.38 and 7,174,411.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,976,084.62 : 17,906,227.38 = 7,174,411.02 : x
2. Step 2: Convert to fraction form
   12,976,084.62/17,906,227.38 = 7,174,411.02/x
3. Step 3: Cross multiply
   12,976,084.62x = 17,906,227.38 × 7,174,411.02
4. Step 4: Simplify right side
   12,976,084.62x = 128,466,635,041,697.72
5. Step 5: Solve for x
   x = 128,466,635,041,697.72/12,976,084.62
6. Step 6: Final answer
   x = 9,900,261.81