Finding the Fourth Proportional to 13,752.56, 18,978.54 and 7,464.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,752.56 : 18,978.54 = 7,464.96 : x
2. Step 2: Convert to fraction form
   13,752.56/18,978.54 = 7,464.96/x
3. Step 3: Cross multiply
   13,752.56x = 18,978.54 × 7,464.96
4. Step 4: Simplify right side
   13,752.56x = 141,674,041.96
5. Step 5: Solve for x
   x = 141,674,041.96/13,752.56
6. Step 6: Final answer
   x = 10,301.65