Finding the Fourth Proportional to 2,315.59, 3,471.12 and 1,480.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.59 : 3,471.12 = 1,480.09 : x
2. Step 2: Convert to fraction form
   2,315.59/3,471.12 = 1,480.09/x
3. Step 3: Cross multiply
   2,315.59x = 3,471.12 × 1,480.09
4. Step 4: Simplify right side
   2,315.59x = 5,137,570.00
5. Step 5: Solve for x
   x = 5,137,570.00/2,315.59
6. Step 6: Final answer
   x = 2,218.69