Finding the Fourth Proportional to 31,271.10, 43,154.82 and 17,124.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,271.10 : 43,154.82 = 17,124.18 : x
2. Step 2: Convert to fraction form
   31,271.10/43,154.82 = 17,124.18/x
3. Step 3: Cross multiply
   31,271.10x = 43,154.82 × 17,124.18
4. Step 4: Simplify right side
   31,271.10x = 738,990,905.55
5. Step 5: Solve for x
   x = 738,990,905.55/31,271.10
6. Step 6: Final answer
   x = 23,631.75