Finding the Fourth Proportional to 23,142.57, 34,713.51 and 5,612.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,142.57 : 34,713.51 = 5,612.55 : x
2. Step 2: Convert to fraction form
   23,142.57/34,713.51 = 5,612.55/x
3. Step 3: Cross multiply
   23,142.57x = 34,713.51 × 5,612.55
4. Step 4: Simplify right side
   23,142.57x = 194,831,310.55
5. Step 5: Solve for x
   x = 194,831,310.55/23,142.57
6. Step 6: Final answer
   x = 8,418.74