Finding the Fourth Proportional to 109,042.52, 163,487.24 and 42,426.52

Step by Step Solution

1. Step 1: Write the proportion equation
   109,042.52 : 163,487.24 = 42,426.52 : x
2. Step 2: Convert to fraction form
   109,042.52/163,487.24 = 42,426.52/x
3. Step 3: Cross multiply
   109,042.52x = 163,487.24 × 42,426.52
4. Step 4: Simplify right side
   109,042.52x = 6,936,194,657.60
5. Step 5: Solve for x
   x = 6,936,194,657.60/109,042.52
6. Step 6: Final answer
   x = 63,610.00