Finding the Fourth Proportional to 1,508.52, 2,081.96 and 879.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,508.52 : 2,081.96 = 879.25 : x
2. Step 2: Convert to fraction form
   1,508.52/2,081.96 = 879.25/x
3. Step 3: Cross multiply
   1,508.52x = 2,081.96 × 879.25
4. Step 4: Simplify right side
   1,508.52x = 1,830,560.32
5. Step 5: Solve for x
   x = 1,830,560.32/1,508.52
6. Step 6: Final answer
   x = 1,213.48