Finding the Fourth Proportional to 2,754.80, 4,132.71 and 906.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,754.80 : 4,132.71 = 906.02 : x
2. Step 2: Convert to fraction form
   2,754.80/4,132.71 = 906.02/x
3. Step 3: Cross multiply
   2,754.80x = 4,132.71 × 906.02
4. Step 4: Simplify right side
   2,754.80x = 3,744,317.91
5. Step 5: Solve for x
   x = 3,744,317.91/2,754.80
6. Step 6: Final answer
   x = 1,359.20