Finding the Fourth Proportional to 1,120.52, 1,546.72 and 899.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,120.52 : 1,546.72 = 899.08 : x
2. Step 2: Convert to fraction form
   1,120.52/1,546.72 = 899.08/x
3. Step 3: Cross multiply
   1,120.52x = 1,546.72 × 899.08
4. Step 4: Simplify right side
   1,120.52x = 1,390,625.02
5. Step 5: Solve for x
   x = 1,390,625.02/1,120.52
6. Step 6: Final answer
   x = 1,241.05