Finding the Fourth Proportional to 31,105.16, 42,924.98 and 17,675.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,105.16 : 42,924.98 = 17,675.76 : x
2. Step 2: Convert to fraction form
   31,105.16/42,924.98 = 17,675.76/x
3. Step 3: Cross multiply
   31,105.16x = 42,924.98 × 17,675.76
4. Step 4: Simplify right side
   31,105.16x = 758,731,644.48
5. Step 5: Solve for x
   x = 758,731,644.48/31,105.16
6. Step 6: Final answer
   x = 24,392.47