Finding the Fourth Proportional to 42,142.63, 63,223.18 and 15,847.36

Step by Step Solution

1. Step 1: Write the proportion equation
   42,142.63 : 63,223.18 = 15,847.36 : x
2. Step 2: Convert to fraction form
   42,142.63/63,223.18 = 15,847.36/x
3. Step 3: Cross multiply
   42,142.63x = 63,223.18 × 15,847.36
4. Step 4: Simplify right side
   42,142.63x = 1,001,920,740.90
5. Step 5: Solve for x
   x = 1,001,920,740.90/42,142.63
6. Step 6: Final answer
   x = 23,774.52