Finding the Fourth Proportional to 1,649.59, 2,476.10 and 1,105.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,649.59 : 2,476.10 = 1,105.57 : x
2. Step 2: Convert to fraction form
   1,649.59/2,476.10 = 1,105.57/x
3. Step 3: Cross multiply
   1,649.59x = 2,476.10 × 1,105.57
4. Step 4: Simplify right side
   1,649.59x = 2,737,502.54
5. Step 5: Solve for x
   x = 2,737,502.54/1,649.59
6. Step 6: Final answer
   x = 1,659.50