Finding the Fourth Proportional to 86,793.33, 129,241.53 and 83,601.02

Step by Step Solution

1. Step 1: Write the proportion equation
   86,793.33 : 129,241.53 = 83,601.02 : x
2. Step 2: Convert to fraction form
   86,793.33/129,241.53 = 83,601.02/x
3. Step 3: Cross multiply
   86,793.33x = 129,241.53 × 83,601.02
4. Step 4: Simplify right side
   86,793.33x = 10,804,724,057.46
5. Step 5: Solve for x
   x = 10,804,724,057.46/86,793.33
6. Step 6: Final answer
   x = 124,487.95