Finding the Fourth Proportional to 31,709.34, 43,759.80 and 17,562.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,709.34 : 43,759.80 = 17,562.15 : x
2. Step 2: Convert to fraction form
   31,709.34/43,759.80 = 17,562.15/x
3. Step 3: Cross multiply
   31,709.34x = 43,759.80 × 17,562.15
4. Step 4: Simplify right side
   31,709.34x = 768,516,171.57
5. Step 5: Solve for x
   x = 768,516,171.57/31,709.34
6. Step 6: Final answer
   x = 24,236.27