Finding the Fourth Proportional to 31,073.58, 42,880.86 and 17,644.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,073.58 : 42,880.86 = 17,644.59 : x
2. Step 2: Convert to fraction form
   31,073.58/42,880.86 = 17,644.59/x
3. Step 3: Cross multiply
   31,073.58x = 42,880.86 × 17,644.59
4. Step 4: Simplify right side
   31,073.58x = 756,615,193.55
5. Step 5: Solve for x
   x = 756,615,193.55/31,073.58
6. Step 6: Final answer
   x = 24,349.15