Finding the Fourth Proportional to 31,101.82, 42,919.58 and 17,674.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,101.82 : 42,919.58 = 17,674.30 : x
2. Step 2: Convert to fraction form
   31,101.82/42,919.58 = 17,674.30/x
3. Step 3: Cross multiply
   31,101.82x = 42,919.58 × 17,674.30
4. Step 4: Simplify right side
   31,101.82x = 758,573,532.79
5. Step 5: Solve for x
   x = 758,573,532.79/31,101.82
6. Step 6: Final answer
   x = 24,390.00