Finding the Fourth Proportional to 1,849.77, 2,772.72 and 874.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,849.77 : 2,772.72 = 874.71 : x
2. Step 2: Convert to fraction form
   1,849.77/2,772.72 = 874.71/x
3. Step 3: Cross multiply
   1,849.77x = 2,772.72 × 874.71
4. Step 4: Simplify right side
   1,849.77x = 2,425,325.91
5. Step 5: Solve for x
   x = 2,425,325.91/1,849.77
6. Step 6: Final answer
   x = 1,311.15