Finding the Fourth Proportional to 13,452.89, 18,563.31 and 7,484.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,452.89 : 18,563.31 = 7,484.13 : x
2. Step 2: Convert to fraction form
   13,452.89/18,563.31 = 7,484.13/x
3. Step 3: Cross multiply
   13,452.89x = 18,563.31 × 7,484.13
4. Step 4: Simplify right side
   13,452.89x = 138,930,225.27
5. Step 5: Solve for x
   x = 138,930,225.27/13,452.89
6. Step 6: Final answer
   x = 10,327.17