Finding the Fourth Proportional to 22,784.96, 31,443.33 and 12,713.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,784.96 : 31,443.33 = 12,713.83 : x
2. Step 2: Convert to fraction form
   22,784.96/31,443.33 = 12,713.83/x
3. Step 3: Cross multiply
   22,784.96x = 31,443.33 × 12,713.83
4. Step 4: Simplify right side
   22,784.96x = 399,765,073.65
5. Step 5: Solve for x
   x = 399,765,073.65/22,784.96
6. Step 6: Final answer
   x = 17,545.13