Finding the Fourth Proportional to 63,153.12, 87,182.72 and 39,287.52

Step by Step Solution

1. Step 1: Write the proportion equation
   63,153.12 : 87,182.72 = 39,287.52 : x
2. Step 2: Convert to fraction form
   63,153.12/87,182.72 = 39,287.52/x
3. Step 3: Cross multiply
   63,153.12x = 87,182.72 × 39,287.52
4. Step 4: Simplify right side
   63,153.12x = 3,425,192,855.65
5. Step 5: Solve for x
   x = 3,425,192,855.65/63,153.12
6. Step 6: Final answer
   x = 54,236.32