Finding the Fourth Proportional to 42,541.50, 63,805.25 and 15,880.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,541.50 : 63,805.25 = 15,880.49 : x
2. Step 2: Convert to fraction form
   42,541.50/63,805.25 = 15,880.49/x
3. Step 3: Cross multiply
   42,541.50x = 63,805.25 × 15,880.49
4. Step 4: Simplify right side
   42,541.50x = 1,013,258,594.52
5. Step 5: Solve for x
   x = 1,013,258,594.52/42,541.50
6. Step 6: Final answer
   x = 23,818.12