Finding the Fourth Proportional to 42,016.58, 63,007.05 and 15,702.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,016.58 : 63,007.05 = 15,702.92 : x
2. Step 2: Convert to fraction form
   42,016.58/63,007.05 = 15,702.92/x
3. Step 3: Cross multiply
   42,016.58x = 63,007.05 × 15,702.92
4. Step 4: Simplify right side
   42,016.58x = 989,394,665.59
5. Step 5: Solve for x
   x = 989,394,665.59/42,016.58
6. Step 6: Final answer
   x = 23,547.72