Finding the Fourth Proportional to 7,446.88, 10,276.24 and 4,089.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,446.88 : 10,276.24 = 4,089.04 : x
2. Step 2: Convert to fraction form
   7,446.88/10,276.24 = 4,089.04/x
3. Step 3: Cross multiply
   7,446.88x = 10,276.24 × 4,089.04
4. Step 4: Simplify right side
   7,446.88x = 42,019,956.41
5. Step 5: Solve for x
   x = 42,019,956.41/7,446.88
6. Step 6: Final answer
   x = 5,642.63