Finding the Fourth Proportional to 22,758.68, 31,404.84 and 13,325.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,758.68 : 31,404.84 = 13,325.42 : x
2. Step 2: Convert to fraction form
   22,758.68/31,404.84 = 13,325.42/x
3. Step 3: Cross multiply
   22,758.68x = 31,404.84 × 13,325.42
4. Step 4: Simplify right side
   22,758.68x = 418,482,683.03
5. Step 5: Solve for x
   x = 418,482,683.03/22,758.68
6. Step 6: Final answer
   x = 18,387.83