Finding the Fourth Proportional to 23,142.31, 34,713.56 and 5,612.13

Step by Step Solution

1. Step 1: Write the proportion equation
   23,142.31 : 34,713.56 = 5,612.13 : x
2. Step 2: Convert to fraction form
   23,142.31/34,713.56 = 5,612.13/x
3. Step 3: Cross multiply
   23,142.31x = 34,713.56 × 5,612.13
4. Step 4: Simplify right side
   23,142.31x = 194,817,025.51
5. Step 5: Solve for x
   x = 194,817,025.51/23,142.31
6. Step 6: Final answer
   x = 8,418.22