Finding the Fourth Proportional to 31,074.59, 42,881.45 and 17,644.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,074.59 : 42,881.45 = 17,644.08 : x
2. Step 2: Convert to fraction form
   31,074.59/42,881.45 = 17,644.08/x
3. Step 3: Cross multiply
   31,074.59x = 42,881.45 × 17,644.08
4. Step 4: Simplify right side
   31,074.59x = 756,603,778.43
5. Step 5: Solve for x
   x = 756,603,778.43/31,074.59
6. Step 6: Final answer
   x = 24,347.99