Finding the Fourth Proportional to 2,787, 3,846.18 and 1,545

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787 : 3,846.18 = 1,545 : x
2. Step 2: Convert to fraction form
   2,787/3,846.18 = 1,545/x
3. Step 3: Cross multiply
   2,787x = 3,846.18 × 1,545
4. Step 4: Simplify right side
   2,787x = 5,942,348.10
5. Step 5: Solve for x
   x = 5,942,348.10/2,787
6. Step 6: Final answer
   x = 2,132.17