Finding the Fourth Proportional to 22,683.39, 31,298.49 and 13,250.13

Step by Step Solution

1. Step 1: Write the proportion equation
   22,683.39 : 31,298.49 = 13,250.13 : x
2. Step 2: Convert to fraction form
   22,683.39/31,298.49 = 13,250.13/x
3. Step 3: Cross multiply
   22,683.39x = 31,298.49 × 13,250.13
4. Step 4: Simplify right side
   22,683.39x = 414,709,061.30
5. Step 5: Solve for x
   x = 414,709,061.30/22,683.39
6. Step 6: Final answer
   x = 18,282.50