Finding the Fourth Proportional to 1,872.82, 2,807.41 and 1,049.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872.82 : 2,807.41 = 1,049.30 : x
2. Step 2: Convert to fraction form
   1,872.82/2,807.41 = 1,049.30/x
3. Step 3: Cross multiply
   1,872.82x = 2,807.41 × 1,049.30
4. Step 4: Simplify right side
   1,872.82x = 2,945,826.94
5. Step 5: Solve for x
   x = 2,945,826.94/1,872.82
6. Step 6: Final answer
   x = 1,572.94