Finding the Fourth Proportional to 7,939,128.29, 10,951,959.25 and 5,187,425.45

Step by Step Solution

1. Step 1: Write the proportion equation
   7,939,128.29 : 10,951,959.25 = 5,187,425.45 : x
2. Step 2: Convert to fraction form
   7,939,128.29/10,951,959.25 = 5,187,425.45/x
3. Step 3: Cross multiply
   7,939,128.29x = 10,951,959.25 × 5,187,425.45
4. Step 4: Simplify right side
   7,939,128.29x = 56,812,472,140,812.91
5. Step 5: Solve for x
   x = 56,812,472,140,812.91/7,939,128.29
6. Step 6: Final answer
   x = 7,156,008.83