Finding the Fourth Proportional to 108,673.52, 162,978.68 and 42,098.80

Step by Step Solution

1. Step 1: Write the proportion equation
   108,673.52 : 162,978.68 = 42,098.80 : x
2. Step 2: Convert to fraction form
   108,673.52/162,978.68 = 42,098.80/x
3. Step 3: Cross multiply
   108,673.52x = 162,978.68 × 42,098.80
4. Step 4: Simplify right side
   108,673.52x = 6,861,206,853.58
5. Step 5: Solve for x
   x = 6,861,206,853.58/108,673.52
6. Step 6: Final answer
   x = 63,135.96