Finding the Fourth Proportional to 71,066.29, 106,655.15 and 49,579.28

Step by Step Solution

1. Step 1: Write the proportion equation
   71,066.29 : 106,655.15 = 49,579.28 : x
2. Step 2: Convert to fraction form
   71,066.29/106,655.15 = 49,579.28/x
3. Step 3: Cross multiply
   71,066.29x = 106,655.15 × 49,579.28
4. Step 4: Simplify right side
   71,066.29x = 5,287,885,545.29
5. Step 5: Solve for x
   x = 5,287,885,545.29/71,066.29
6. Step 6: Final answer
   x = 74,407.79