Finding the Fourth Proportional to 1,796.60, 2,480.00 and 1,208.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.60 : 2,480.00 = 1,208.81 : x
2. Step 2: Convert to fraction form
   1,796.60/2,480.00 = 1,208.81/x
3. Step 3: Cross multiply
   1,796.60x = 2,480.00 × 1,208.81
4. Step 4: Simplify right side
   1,796.60x = 2,997,830.36
5. Step 5: Solve for x
   x = 2,997,830.36/1,796.60
6. Step 6: Final answer
   x = 1,668.62