Finding the Fourth Proportional to 105,932.15, 146,187.42 and 57,535.02

Step by Step Solution

1. Step 1: Write the proportion equation
   105,932.15 : 146,187.42 = 57,535.02 : x
2. Step 2: Convert to fraction form
   105,932.15/146,187.42 = 57,535.02/x
3. Step 3: Cross multiply
   105,932.15x = 146,187.42 × 57,535.02
4. Step 4: Simplify right side
   105,932.15x = 8,410,896,133.45
5. Step 5: Solve for x
   x = 8,410,896,133.45/105,932.15
6. Step 6: Final answer
   x = 79,398.90