Finding the Fourth Proportional to 1,661.80, 2,490.58 and 737.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661.80 : 2,490.58 = 737.10 : x
2. Step 2: Convert to fraction form
   1,661.80/2,490.58 = 737.10/x
3. Step 3: Cross multiply
   1,661.80x = 2,490.58 × 737.10
4. Step 4: Simplify right side
   1,661.80x = 1,835,806.52
5. Step 5: Solve for x
   x = 1,835,806.52/1,661.80
6. Step 6: Final answer
   x = 1,104.71