Finding the Fourth Proportional to 31,016.84, 42,804.20 and 17,588.66

Step by Step Solution

1. Step 1: Write the proportion equation
   31,016.84 : 42,804.20 = 17,588.66 : x
2. Step 2: Convert to fraction form
   31,016.84/42,804.20 = 17,588.66/x
3. Step 3: Cross multiply
   31,016.84x = 42,804.20 × 17,588.66
4. Step 4: Simplify right side
   31,016.84x = 752,868,350.32
5. Step 5: Solve for x
   x = 752,868,350.32/31,016.84
6. Step 6: Final answer
   x = 24,272.89