Finding the Fourth Proportional to 13,752.55, 18,978.54 and 7,464.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,752.55 : 18,978.54 = 7,464.94 : x
2. Step 2: Convert to fraction form
   13,752.55/18,978.54 = 7,464.94/x
3. Step 3: Cross multiply
   13,752.55x = 18,978.54 × 7,464.94
4. Step 4: Simplify right side
   13,752.55x = 141,673,662.39
5. Step 5: Solve for x
   x = 141,673,662.39/13,752.55
6. Step 6: Final answer
   x = 10,301.63