Finding the Fourth Proportional to 13,752.19, 18,978.04 and 7,464.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,752.19 : 18,978.04 = 7,464.56 : x
2. Step 2: Convert to fraction form
   13,752.19/18,978.04 = 7,464.56/x
3. Step 3: Cross multiply
   13,752.19x = 18,978.04 × 7,464.56
4. Step 4: Simplify right side
   13,752.19x = 141,662,680.94
5. Step 5: Solve for x
   x = 141,662,680.94/13,752.19
6. Step 6: Final answer
   x = 10,301.10