Finding the Fourth Proportional to 31,011.56, 42,794.65 and 17,583.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,011.56 : 42,794.65 = 17,583.72 : x
2. Step 2: Convert to fraction form
   31,011.56/42,794.65 = 17,583.72/x
3. Step 3: Cross multiply
   31,011.56x = 42,794.65 × 17,583.72
4. Step 4: Simplify right side
   31,011.56x = 752,489,143.10
5. Step 5: Solve for x
   x = 752,489,143.10/31,011.56
6. Step 6: Final answer
   x = 24,264.79