Finding the Fourth Proportional to 22,868.73, 31,558.41 and 13,310.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,868.73 : 31,558.41 = 13,310.63 : x
2. Step 2: Convert to fraction form
   22,868.73/31,558.41 = 13,310.63/x
3. Step 3: Cross multiply
   22,868.73x = 31,558.41 × 13,310.63
4. Step 4: Simplify right side
   22,868.73x = 420,062,279.45
5. Step 5: Solve for x
   x = 420,062,279.45/22,868.73
6. Step 6: Final answer
   x = 18,368.41