Finding the Fourth Proportional to 2,730.16, 3,767.72 and 1,551.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.16 : 3,767.72 = 1,551.20 : x
2. Step 2: Convert to fraction form
   2,730.16/3,767.72 = 1,551.20/x
3. Step 3: Cross multiply
   2,730.16x = 3,767.72 × 1,551.20
4. Step 4: Simplify right side
   2,730.16x = 5,844,487.26
5. Step 5: Solve for x
   x = 5,844,487.26/2,730.16
6. Step 6: Final answer
   x = 2,140.71