Finding the Fourth Proportional to 13,752.56, 18,978.55 and 7,464.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,752.56 : 18,978.55 = 7,464.94 : x
2. Step 2: Convert to fraction form
   13,752.56/18,978.55 = 7,464.94/x
3. Step 3: Cross multiply
   13,752.56x = 18,978.55 × 7,464.94
4. Step 4: Simplify right side
   13,752.56x = 141,673,642.14
5. Step 5: Solve for x
   x = 141,673,642.14/13,752.56
6. Step 6: Final answer
   x = 10,301.62