Finding the Fourth Proportional to 31,150.17, 42,987.31 and 17,003.93

Step by Step Solution

1. Step 1: Write the proportion equation
   31,150.17 : 42,987.31 = 17,003.93 : x
2. Step 2: Convert to fraction form
   31,150.17/42,987.31 = 17,003.93/x
3. Step 3: Cross multiply
   31,150.17x = 42,987.31 × 17,003.93
4. Step 4: Simplify right side
   31,150.17x = 730,952,952.68
5. Step 5: Solve for x
   x = 730,952,952.68/31,150.17
6. Step 6: Final answer
   x = 23,465.46