Finding the Fourth Proportional to 31,507.31, 43,480.06 and 17,360.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,507.31 : 43,480.06 = 17,360.16 : x
2. Step 2: Convert to fraction form
   31,507.31/43,480.06 = 17,360.16/x
3. Step 3: Cross multiply
   31,507.31x = 43,480.06 × 17,360.16
4. Step 4: Simplify right side
   31,507.31x = 754,820,798.41
5. Step 5: Solve for x
   x = 754,820,798.41/31,507.31
6. Step 6: Final answer
   x = 23,957.01