Finding the Fourth Proportional to 42,059.75, 63,080.71 and 15,766.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42,059.75 : 63,080.71 = 15,766.43 : x
2. Step 2: Convert to fraction form
   42,059.75/63,080.71 = 15,766.43/x
3. Step 3: Cross multiply
   42,059.75x = 63,080.71 × 15,766.43
4. Step 4: Simplify right side
   42,059.75x = 994,557,243.75
5. Step 5: Solve for x
   x = 994,557,243.75/42,059.75
6. Step 6: Final answer
   x = 23,646.30