Finding the Fourth Proportional to 146,399.52, 219,689.52 and 57,637.92

Step by Step Solution

1. Step 1: Write the proportion equation
   146,399.52 : 219,689.52 = 57,637.92 : x
2. Step 2: Convert to fraction form
   146,399.52/219,689.52 = 57,637.92/x
3. Step 3: Cross multiply
   146,399.52x = 219,689.52 × 57,637.92
4. Step 4: Simplify right side
   146,399.52x = 12,662,446,978.60
5. Step 5: Solve for x
   x = 12,662,446,978.60/146,399.52
6. Step 6: Final answer
   x = 86,492.41