Finding the Fourth Proportional to 86,682.14, 129,950.25 and 42,285.98

Step by Step Solution

1. Step 1: Write the proportion equation
   86,682.14 : 129,950.25 = 42,285.98 : x
2. Step 2: Convert to fraction form
   86,682.14/129,950.25 = 42,285.98/x
3. Step 3: Cross multiply
   86,682.14x = 129,950.25 × 42,285.98
4. Step 4: Simplify right side
   86,682.14x = 5,495,073,672.50
5. Step 5: Solve for x
   x = 5,495,073,672.50/86,682.14
6. Step 6: Final answer
   x = 63,393.38