Finding the Fourth Proportional to 31,507.58, 43,480.38 and 17,360.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,507.58 : 43,480.38 = 17,360.42 : x
2. Step 2: Convert to fraction form
   31,507.58/43,480.38 = 17,360.42/x
3. Step 3: Cross multiply
   31,507.58x = 43,480.38 × 17,360.42
4. Step 4: Simplify right side
   31,507.58x = 754,837,571.76
5. Step 5: Solve for x
   x = 754,837,571.76/31,507.58
6. Step 6: Final answer
   x = 23,957.34