Finding the Fourth Proportional to 2,736.63, 3,775.61 and 1,557.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.63 : 3,775.61 = 1,557.41 : x
2. Step 2: Convert to fraction form
   2,736.63/3,775.61 = 1,557.41/x
3. Step 3: Cross multiply
   2,736.63x = 3,775.61 × 1,557.41
4. Step 4: Simplify right side
   2,736.63x = 5,880,157.79
5. Step 5: Solve for x
   x = 5,880,157.79/2,736.63
6. Step 6: Final answer
   x = 2,148.69