Finding the Fourth Proportional to 2,736.32, 3,776.52 and 1,557.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.32 : 3,776.52 = 1,557.68 : x
2. Step 2: Convert to fraction form
   2,736.32/3,776.52 = 1,557.68/x
3. Step 3: Cross multiply
   2,736.32x = 3,776.52 × 1,557.68
4. Step 4: Simplify right side
   2,736.32x = 5,882,609.67
5. Step 5: Solve for x
   x = 5,882,609.67/2,736.32
6. Step 6: Final answer
   x = 2,149.83