Finding the Fourth Proportional to 1,826.06, 2,520.16 and 1,118.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.06 : 2,520.16 = 1,118.38 : x
2. Step 2: Convert to fraction form
   1,826.06/2,520.16 = 1,118.38/x
3. Step 3: Cross multiply
   1,826.06x = 2,520.16 × 1,118.38
4. Step 4: Simplify right side
   1,826.06x = 2,818,496.54
5. Step 5: Solve for x
   x = 2,818,496.54/1,826.06
6. Step 6: Final answer
   x = 1,543.49