Finding the Fourth Proportional to 2,054.13, 3,082.47 and 899.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.13 : 3,082.47 = 899.88 : x
2. Step 2: Convert to fraction form
   2,054.13/3,082.47 = 899.88/x
3. Step 3: Cross multiply
   2,054.13x = 3,082.47 × 899.88
4. Step 4: Simplify right side
   2,054.13x = 2,773,853.10
5. Step 5: Solve for x
   x = 2,773,853.10/2,054.13
6. Step 6: Final answer
   x = 1,350.38