Finding the Fourth Proportional to 2,736.39, 3,776.10 and 1,557.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.39 : 3,776.10 = 1,557.45 : x
2. Step 2: Convert to fraction form
   2,736.39/3,776.10 = 1,557.45/x
3. Step 3: Cross multiply
   2,736.39x = 3,776.10 × 1,557.45
4. Step 4: Simplify right side
   2,736.39x = 5,881,086.95
5. Step 5: Solve for x
   x = 5,881,086.95/2,736.39
6. Step 6: Final answer
   x = 2,149.21