Finding the Fourth Proportional to 31,123.77, 42,950.59 and 17,695.03

Step by Step Solution

1. Step 1: Write the proportion equation
   31,123.77 : 42,950.59 = 17,695.03 : x
2. Step 2: Convert to fraction form
   31,123.77/42,950.59 = 17,695.03/x
3. Step 3: Cross multiply
   31,123.77x = 42,950.59 × 17,695.03
4. Step 4: Simplify right side
   31,123.77x = 760,011,978.57
5. Step 5: Solve for x
   x = 760,011,978.57/31,123.77
6. Step 6: Final answer
   x = 24,419.02