Finding the Fourth Proportional to 86,269.31, 129,459.27 and 41,871.86

Step by Step Solution

1. Step 1: Write the proportion equation
   86,269.31 : 129,459.27 = 41,871.86 : x
2. Step 2: Convert to fraction form
   86,269.31/129,459.27 = 41,871.86/x
3. Step 3: Cross multiply
   86,269.31x = 129,459.27 × 41,871.86
4. Step 4: Simplify right side
   86,269.31x = 5,420,700,429.14
5. Step 5: Solve for x
   x = 5,420,700,429.14/86,269.31
6. Step 6: Final answer
   x = 62,834.63