Finding the Fourth Proportional to 69,174.71, 103,595.73 and 39,502.61

Step by Step Solution

1. Step 1: Write the proportion equation
   69,174.71 : 103,595.73 = 39,502.61 : x
2. Step 2: Convert to fraction form
   69,174.71/103,595.73 = 39,502.61/x
3. Step 3: Cross multiply
   69,174.71x = 103,595.73 × 39,502.61
4. Step 4: Simplify right side
   69,174.71x = 4,092,301,719.86
5. Step 5: Solve for x
   x = 4,092,301,719.86/69,174.71
6. Step 6: Final answer
   x = 59,158.93