Finding the Fourth Proportional to 31,004.87, 42,785.82 and 17,577.36

Step by Step Solution

1. Step 1: Write the proportion equation
   31,004.87 : 42,785.82 = 17,577.36 : x
2. Step 2: Convert to fraction form
   31,004.87/42,785.82 = 17,577.36/x
3. Step 3: Cross multiply
   31,004.87x = 42,785.82 × 17,577.36
4. Step 4: Simplify right side
   31,004.87x = 752,061,761.04
5. Step 5: Solve for x
   x = 752,061,761.04/31,004.87
6. Step 6: Final answer
   x = 24,256.25