Finding the Fourth Proportional to 31,329.15, 43,231.41 and 17,900.36

Step by Step Solution

1. Step 1: Write the proportion equation
   31,329.15 : 43,231.41 = 17,900.36 : x
2. Step 2: Convert to fraction form
   31,329.15/43,231.41 = 17,900.36/x
3. Step 3: Cross multiply
   31,329.15x = 43,231.41 × 17,900.36
4. Step 4: Simplify right side
   31,329.15x = 773,857,586.15
5. Step 5: Solve for x
   x = 773,857,586.15/31,329.15
6. Step 6: Final answer
   x = 24,700.88