Finding the Fourth Proportional to 63,693.12, 87,834.96 and 42,173.04

Step by Step Solution

1. Step 1: Write the proportion equation
   63,693.12 : 87,834.96 = 42,173.04 : x
2. Step 2: Convert to fraction form
   63,693.12/87,834.96 = 42,173.04/x
3. Step 3: Cross multiply
   63,693.12x = 87,834.96 × 42,173.04
4. Step 4: Simplify right side
   63,693.12x = 3,704,267,281.48
5. Step 5: Solve for x
   x = 3,704,267,281.48/63,693.12
6. Step 6: Final answer
   x = 58,158.04