Finding the Fourth Proportional to 1,665.34, 2,485.34 and 1,480.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.34 : 2,485.34 = 1,480.82 : x
2. Step 2: Convert to fraction form
   1,665.34/2,485.34 = 1,480.82/x
3. Step 3: Cross multiply
   1,665.34x = 2,485.34 × 1,480.82
4. Step 4: Simplify right side
   1,665.34x = 3,680,321.35
5. Step 5: Solve for x
   x = 3,680,321.35/1,665.34
6. Step 6: Final answer
   x = 2,209.96