Finding the Fourth Proportional to 2,572.72, 3,857.84 and 1,476.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.72 : 3,857.84 = 1,476.80 : x
2. Step 2: Convert to fraction form
   2,572.72/3,857.84 = 1,476.80/x
3. Step 3: Cross multiply
   2,572.72x = 3,857.84 × 1,476.80
4. Step 4: Simplify right side
   2,572.72x = 5,697,258.11
5. Step 5: Solve for x
   x = 5,697,258.11/2,572.72
6. Step 6: Final answer
   x = 2,214.49