Finding the Fourth Proportional to 86,123.31, 129,187.39 and 23,793.81

Step by Step Solution

1. Step 1: Write the proportion equation
   86,123.31 : 129,187.39 = 23,793.81 : x
2. Step 2: Convert to fraction form
   86,123.31/129,187.39 = 23,793.81/x
3. Step 3: Cross multiply
   86,123.31x = 129,187.39 × 23,793.81
4. Step 4: Simplify right side
   86,123.31x = 3,073,860,212.06
5. Step 5: Solve for x
   x = 3,073,860,212.06/86,123.31
6. Step 6: Final answer
   x = 35,691.38