Finding the Fourth Proportional to 115,693.18, 173,341.72 and 63,139.57

Step by Step Solution

1. Step 1: Write the proportion equation
   115,693.18 : 173,341.72 = 63,139.57 : x
2. Step 2: Convert to fraction form
   115,693.18/173,341.72 = 63,139.57/x
3. Step 3: Cross multiply
   115,693.18x = 173,341.72 × 63,139.57
4. Step 4: Simplify right side
   115,693.18x = 10,944,721,663.86
5. Step 5: Solve for x
   x = 10,944,721,663.86/115,693.18
6. Step 6: Final answer
   x = 94,601.27