Finding the Fourth Proportional to 22,859.10, 31,551.90 and 13,300.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,859.10 : 31,551.90 = 13,300.83 : x
2. Step 2: Convert to fraction form
   22,859.10/31,551.90 = 13,300.83/x
3. Step 3: Cross multiply
   22,859.10x = 31,551.90 × 13,300.83
4. Step 4: Simplify right side
   22,859.10x = 419,666,391.57
5. Step 5: Solve for x
   x = 419,666,391.57/22,859.10
6. Step 6: Final answer
   x = 18,358.83