Finding the Fourth Proportional to 42,111.92, 63,149.39 and 15,798.23

Step by Step Solution

1. Step 1: Write the proportion equation
   42,111.92 : 63,149.39 = 15,798.23 : x
2. Step 2: Convert to fraction form
   42,111.92/63,149.39 = 15,798.23/x
3. Step 3: Cross multiply
   42,111.92x = 63,149.39 × 15,798.23
4. Step 4: Simplify right side
   42,111.92x = 997,648,488.90
5. Step 5: Solve for x
   x = 997,648,488.90/42,111.92
6. Step 6: Final answer
   x = 23,690.40