Finding the Fourth Proportional to 31,467.56, 43,425.52 and 17,320.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,467.56 : 43,425.52 = 17,320.50 : x
2. Step 2: Convert to fraction form
   31,467.56/43,425.52 = 17,320.50/x
3. Step 3: Cross multiply
   31,467.56x = 43,425.52 × 17,320.50
4. Step 4: Simplify right side
   31,467.56x = 752,151,675.86
5. Step 5: Solve for x
   x = 752,151,675.86/31,467.56
6. Step 6: Final answer
   x = 23,902.45