Finding the Fourth Proportional to 31,020.73, 42,810.82 and 17,593.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,020.73 : 42,810.82 = 17,593.16 : x
2. Step 2: Convert to fraction form
   31,020.73/42,810.82 = 17,593.16/x
3. Step 3: Cross multiply
   31,020.73x = 42,810.82 × 17,593.16
4. Step 4: Simplify right side
   31,020.73x = 753,177,347.95
5. Step 5: Solve for x
   x = 753,177,347.95/31,020.73
6. Step 6: Final answer
   x = 24,279.81