Finding the Fourth Proportional to 42,063.98, 63,078.69 and 15,755.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,063.98 : 63,078.69 = 15,755.18 : x
2. Step 2: Convert to fraction form
   42,063.98/63,078.69 = 15,755.18/x
3. Step 3: Cross multiply
   42,063.98x = 63,078.69 × 15,755.18
4. Step 4: Simplify right side
   42,063.98x = 993,816,115.11
5. Step 5: Solve for x
   x = 993,816,115.11/42,063.98
6. Step 6: Final answer
   x = 23,626.30