Finding the Fourth Proportional to 2,736.50, 3,776.39 and 1,557.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.50 : 3,776.39 = 1,557.63 : x
2. Step 2: Convert to fraction form
   2,736.50/3,776.39 = 1,557.63/x
3. Step 3: Cross multiply
   2,736.50x = 3,776.39 × 1,557.63
4. Step 4: Simplify right side
   2,736.50x = 5,882,210.57
5. Step 5: Solve for x
   x = 5,882,210.57/2,736.50
6. Step 6: Final answer
   x = 2,149.54