Finding the Fourth Proportional to 31,264.16, 43,145.56 and 17,117

Step by Step Solution

1. Step 1: Write the proportion equation
   31,264.16 : 43,145.56 = 17,117 : x
2. Step 2: Convert to fraction form
   31,264.16/43,145.56 = 17,117/x
3. Step 3: Cross multiply
   31,264.16x = 43,145.56 × 17,117
4. Step 4: Simplify right side
   31,264.16x = 738,522,550.52
5. Step 5: Solve for x
   x = 738,522,550.52/31,264.16
6. Step 6: Final answer
   x = 23,622.02