Finding the Fourth Proportional to 13,453.47, 18,564.42 and 7,484.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,453.47 : 18,564.42 = 7,484.52 : x
2. Step 2: Convert to fraction form
   13,453.47/18,564.42 = 7,484.52/x
3. Step 3: Cross multiply
   13,453.47x = 18,564.42 × 7,484.52
4. Step 4: Simplify right side
   13,453.47x = 138,945,772.78
5. Step 5: Solve for x
   x = 138,945,772.78/13,453.47
6. Step 6: Final answer
   x = 10,327.88