Finding the Fourth Proportional to 13,752.16, 18,978.10 and 7,464.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,752.16 : 18,978.10 = 7,464.54 : x
2. Step 2: Convert to fraction form
   13,752.16/18,978.10 = 7,464.54/x
3. Step 3: Cross multiply
   13,752.16x = 18,978.10 × 7,464.54
4. Step 4: Simplify right side
   13,752.16x = 141,662,786.57
5. Step 5: Solve for x
   x = 141,662,786.57/13,752.16
6. Step 6: Final answer
   x = 10,301.13