Finding the Fourth Proportional to 86,037.54, 129,089.42 and 41,660.88

Step by Step Solution

1. Step 1: Write the proportion equation
   86,037.54 : 129,089.42 = 41,660.88 : x
2. Step 2: Convert to fraction form
   86,037.54/129,089.42 = 41,660.88/x
3. Step 3: Cross multiply
   86,037.54x = 129,089.42 × 41,660.88
4. Step 4: Simplify right side
   86,037.54x = 5,377,978,835.89
5. Step 5: Solve for x
   x = 5,377,978,835.89/86,037.54
6. Step 6: Final answer
   x = 62,507.35