Finding the Fourth Proportional to 1,548.29, 2,317.57 and 880.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.29 : 2,317.57 = 880.31 : x
2. Step 2: Convert to fraction form
   1,548.29/2,317.57 = 880.31/x
3. Step 3: Cross multiply
   1,548.29x = 2,317.57 × 880.31
4. Step 4: Simplify right side
   1,548.29x = 2,040,180.05
5. Step 5: Solve for x
   x = 2,040,180.05/1,548.29
6. Step 6: Final answer
   x = 1,317.70