Finding the Fourth Proportional to 31,009.60, 42,794.49 and 17,582.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,009.60 : 42,794.49 = 17,582.50 : x
2. Step 2: Convert to fraction form
   31,009.60/42,794.49 = 17,582.50/x
3. Step 3: Cross multiply
   31,009.60x = 42,794.49 × 17,582.50
4. Step 4: Simplify right side
   31,009.60x = 752,434,120.43
5. Step 5: Solve for x
   x = 752,434,120.43/31,009.60
6. Step 6: Final answer
   x = 24,264.55