Finding the Fourth Proportional to 13,443.84, 18,552 and 7,475.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,443.84 : 18,552 = 7,475.52 : x
2. Step 2: Convert to fraction form
   13,443.84/18,552 = 7,475.52/x
3. Step 3: Cross multiply
   13,443.84x = 18,552 × 7,475.52
4. Step 4: Simplify right side
   13,443.84x = 138,685,847.04
5. Step 5: Solve for x
   x = 138,685,847.04/13,443.84
6. Step 6: Final answer
   x = 10,315.94