Finding the Fourth Proportional to 31,079.56, 42,888.10 and 17,650.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,079.56 : 42,888.10 = 17,650.48 : x
2. Step 2: Convert to fraction form
   31,079.56/42,888.10 = 17,650.48/x
3. Step 3: Cross multiply
   31,079.56x = 42,888.10 × 17,650.48
4. Step 4: Simplify right side
   31,079.56x = 756,995,551.29
5. Step 5: Solve for x
   x = 756,995,551.29/31,079.56
6. Step 6: Final answer
   x = 24,356.70