Finding the Fourth Proportional to 13,423.54, 18,524.56 and 7,758.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,423.54 : 18,524.56 = 7,758.52 : x
2. Step 2: Convert to fraction form
   13,423.54/18,524.56 = 7,758.52/x
3. Step 3: Cross multiply
   13,423.54x = 18,524.56 × 7,758.52
4. Step 4: Simplify right side
   13,423.54x = 143,723,169.25
5. Step 5: Solve for x
   x = 143,723,169.25/13,423.54
6. Step 6: Final answer
   x = 10,706.80