Finding the Fourth Proportional to 10,428,432.66, 14,391,019.17 and 5,718,760.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,428,432.66 : 14,391,019.17 = 5,718,760.02 : x
2. Step 2: Convert to fraction form
   10,428,432.66/14,391,019.17 = 5,718,760.02/x
3. Step 3: Cross multiply
   10,428,432.66x = 14,391,019.17 × 5,718,760.02
4. Step 4: Simplify right side
   10,428,432.66x = 82,298,785,076,449.58
5. Step 5: Solve for x
   x = 82,298,785,076,449.58/10,428,432.66
6. Step 6: Final answer
   x = 7,891,769.33