Finding the Fourth Proportional to 1,457.85, 2,013.39 and 1,180.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457.85 : 2,013.39 = 1,180.83 : x
2. Step 2: Convert to fraction form
   1,457.85/2,013.39 = 1,180.83/x
3. Step 3: Cross multiply
   1,457.85x = 2,013.39 × 1,180.83
4. Step 4: Simplify right side
   1,457.85x = 2,377,471.31
5. Step 5: Solve for x
   x = 2,377,471.31/1,457.85
6. Step 6: Final answer
   x = 1,630.81