Finding the Fourth Proportional to 31,254.16, 43,131.76 and 17,107

Step by Step Solution

1. Step 1: Write the proportion equation
   31,254.16 : 43,131.76 = 17,107 : x
2. Step 2: Convert to fraction form
   31,254.16/43,131.76 = 17,107/x
3. Step 3: Cross multiply
   31,254.16x = 43,131.76 × 17,107
4. Step 4: Simplify right side
   31,254.16x = 737,855,018.32
5. Step 5: Solve for x
   x = 737,855,018.32/31,254.16
6. Step 6: Final answer
   x = 23,608.22