Finding the Fourth Proportional to 86,557.18, 129,892.50 and 30,395.82

Step by Step Solution

1. Step 1: Write the proportion equation
   86,557.18 : 129,892.50 = 30,395.82 : x
2. Step 2: Convert to fraction form
   86,557.18/129,892.50 = 30,395.82/x
3. Step 3: Cross multiply
   86,557.18x = 129,892.50 × 30,395.82
4. Step 4: Simplify right side
   86,557.18x = 3,948,189,049.35
5. Step 5: Solve for x
   x = 3,948,189,049.35/86,557.18
6. Step 6: Final answer
   x = 45,613.65