Finding the Fourth Proportional to 4,766.72, 7,148.72 and 1,478.93

Step by Step Solution

1. Step 1: Write the proportion equation
   4,766.72 : 7,148.72 = 1,478.93 : x
2. Step 2: Convert to fraction form
   4,766.72/7,148.72 = 1,478.93/x
3. Step 3: Cross multiply
   4,766.72x = 7,148.72 × 1,478.93
4. Step 4: Simplify right side
   4,766.72x = 10,572,424.42
5. Step 5: Solve for x
   x = 10,572,424.42/4,766.72
6. Step 6: Final answer
   x = 2,217.97