Finding the Fourth Proportional to 2,736.63, 3,776.58 and 1,557.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.63 : 3,776.58 = 1,557.72 : x
2. Step 2: Convert to fraction form
   2,736.63/3,776.58 = 1,557.72/x
3. Step 3: Cross multiply
   2,736.63x = 3,776.58 × 1,557.72
4. Step 4: Simplify right side
   2,736.63x = 5,882,854.20
5. Step 5: Solve for x
   x = 5,882,854.20/2,736.63
6. Step 6: Final answer
   x = 2,149.67