Finding the Fourth Proportional to 112,385.10, 168,584.15 and 42,265.02

Step by Step Solution

1. Step 1: Write the proportion equation
   112,385.10 : 168,584.15 = 42,265.02 : x
2. Step 2: Convert to fraction form
   112,385.10/168,584.15 = 42,265.02/x
3. Step 3: Cross multiply
   112,385.10x = 168,584.15 × 42,265.02
4. Step 4: Simplify right side
   112,385.10x = 7,125,213,209.29
5. Step 5: Solve for x
   x = 7,125,213,209.29/112,385.10
6. Step 6: Final answer
   x = 63,399.98