Finding the Fourth Proportional to 31,765.42, 43,835.61 and 17,617.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,765.42 : 43,835.61 = 17,617.96 : x
2. Step 2: Convert to fraction form
   31,765.42/43,835.61 = 17,617.96/x
3. Step 3: Cross multiply
   31,765.42x = 43,835.61 × 17,617.96
4. Step 4: Simplify right side
   31,765.42x = 772,294,023.56
5. Step 5: Solve for x
   x = 772,294,023.56/31,765.42
6. Step 6: Final answer
   x = 24,312.41