Finding the Fourth Proportional to 31,428.33, 43,369.98 and 17,281.07

Step by Step Solution

1. Step 1: Write the proportion equation
   31,428.33 : 43,369.98 = 17,281.07 : x
2. Step 2: Convert to fraction form
   31,428.33/43,369.98 = 17,281.07/x
3. Step 3: Cross multiply
   31,428.33x = 43,369.98 × 17,281.07
4. Step 4: Simplify right side
   31,428.33x = 749,479,443.43
5. Step 5: Solve for x
   x = 749,479,443.43/31,428.33
6. Step 6: Final answer
   x = 23,847.26