Finding the Fourth Proportional to 31,279.48, 43,165.27 and 17,132.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,279.48 : 43,165.27 = 17,132.34 : x
2. Step 2: Convert to fraction form
   31,279.48/43,165.27 = 17,132.34/x
3. Step 3: Cross multiply
   31,279.48x = 43,165.27 × 17,132.34
4. Step 4: Simplify right side
   31,279.48x = 739,521,823.17
5. Step 5: Solve for x
   x = 739,521,823.17/31,279.48
6. Step 6: Final answer
   x = 23,642.40