Finding the Fourth Proportional to 17,754.31, 26,612.56 and 13,358.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,754.31 : 26,612.56 = 13,358.17 : x
2. Step 2: Convert to fraction form
   17,754.31/26,612.56 = 13,358.17/x
3. Step 3: Cross multiply
   17,754.31x = 26,612.56 × 13,358.17
4. Step 4: Simplify right side
   17,754.31x = 355,495,100.62
5. Step 5: Solve for x
   x = 355,495,100.62/17,754.31
6. Step 6: Final answer
   x = 20,023.03