Finding the Fourth Proportional to 5,077.48, 7,002.66 and 3,307.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,077.48 : 7,002.66 = 3,307.72 : x
2. Step 2: Convert to fraction form
   5,077.48/7,002.66 = 3,307.72/x
3. Step 3: Cross multiply
   5,077.48x = 7,002.66 × 3,307.72
4. Step 4: Simplify right side
   5,077.48x = 23,162,838.54
5. Step 5: Solve for x
   x = 23,162,838.54/5,077.48
6. Step 6: Final answer
   x = 4,561.88