Finding the Fourth Proportional to 31,537.99, 43,521.50 and 17,390.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,537.99 : 43,521.50 = 17,390.83 : x
2. Step 2: Convert to fraction form
   31,537.99/43,521.50 = 17,390.83/x
3. Step 3: Cross multiply
   31,537.99x = 43,521.50 × 17,390.83
4. Step 4: Simplify right side
   31,537.99x = 756,874,920.89
5. Step 5: Solve for x
   x = 756,874,920.89/31,537.99
6. Step 6: Final answer
   x = 23,998.83