Finding the Fourth Proportional to 2,754.72, 4,130.85 and 880.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,754.72 : 4,130.85 = 880.14 : x
2. Step 2: Convert to fraction form
   2,754.72/4,130.85 = 880.14/x
3. Step 3: Cross multiply
   2,754.72x = 4,130.85 × 880.14
4. Step 4: Simplify right side
   2,754.72x = 3,635,726.32
5. Step 5: Solve for x
   x = 3,635,726.32/2,754.72
6. Step 6: Final answer
   x = 1,319.82