Finding the Fourth Proportional to 31,123.22, 42,948.33 and 17,692.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,123.22 : 42,948.33 = 17,692.61 : x
2. Step 2: Convert to fraction form
   31,123.22/42,948.33 = 17,692.61/x
3. Step 3: Cross multiply
   31,123.22x = 42,948.33 × 17,692.61
4. Step 4: Simplify right side
   31,123.22x = 759,868,052.84
5. Step 5: Solve for x
   x = 759,868,052.84/31,123.22
6. Step 6: Final answer
   x = 24,414.83