Finding the Fourth Proportional to 31,150.14, 42,987.02 and 17,003.09

Step by Step Solution

1. Step 1: Write the proportion equation
   31,150.14 : 42,987.02 = 17,003.09 : x
2. Step 2: Convert to fraction form
   31,150.14/42,987.02 = 17,003.09/x
3. Step 3: Cross multiply
   31,150.14x = 42,987.02 × 17,003.09
4. Step 4: Simplify right side
   31,150.14x = 730,911,869.94
5. Step 5: Solve for x
   x = 730,911,869.94/31,150.14
6. Step 6: Final answer
   x = 23,464.16