Finding the Fourth Proportional to 101,124.29, 139,550.57 and 55,802.66

Step by Step Solution

1. Step 1: Write the proportion equation
   101,124.29 : 139,550.57 = 55,802.66 : x
2. Step 2: Convert to fraction form
   101,124.29/139,550.57 = 55,802.66/x
3. Step 3: Cross multiply
   101,124.29x = 139,550.57 × 55,802.66
4. Step 4: Simplify right side
   101,124.29x = 7,787,293,010.52
5. Step 5: Solve for x
   x = 7,787,293,010.52/101,124.29
6. Step 6: Final answer
   x = 77,007.15