Finding the Fourth Proportional to 7,472.79, 11,200.17 and 3,308.07

Step by Step Solution

1. Step 1: Write the proportion equation
   7,472.79 : 11,200.17 = 3,308.07 : x
2. Step 2: Convert to fraction form
   7,472.79/11,200.17 = 3,308.07/x
3. Step 3: Cross multiply
   7,472.79x = 11,200.17 × 3,308.07
4. Step 4: Simplify right side
   7,472.79x = 37,051,000.78
5. Step 5: Solve for x
   x = 37,051,000.78/7,472.79
6. Step 6: Final answer
   x = 4,958.12