Finding the Fourth Proportional to 31,836.42, 43,932.33 and 17,688.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,836.42 : 43,932.33 = 17,688.78 : x
2. Step 2: Convert to fraction form
   31,836.42/43,932.33 = 17,688.78/x
3. Step 3: Cross multiply
   31,836.42x = 43,932.33 × 17,688.78
4. Step 4: Simplify right side
   31,836.42x = 777,109,320.26
5. Step 5: Solve for x
   x = 777,109,320.26/31,836.42
6. Step 6: Final answer
   x = 24,409.44