Finding the Fourth Proportional to 93,101.76, 139,569.58 and 77,435.31

Step by Step Solution

1. Step 1: Write the proportion equation
   93,101.76 : 139,569.58 = 77,435.31 : x
2. Step 2: Convert to fraction form
   93,101.76/139,569.58 = 77,435.31/x
3. Step 3: Cross multiply
   93,101.76x = 139,569.58 × 77,435.31
4. Step 4: Simplify right side
   93,101.76x = 10,807,614,314.05
5. Step 5: Solve for x
   x = 10,807,614,314.05/93,101.76
6. Step 6: Final answer
   x = 116,083.89