Finding the Fourth Proportional to 2,091.01, 2,885.46 and 1,146.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.01 : 2,885.46 = 1,146.79 : x
2. Step 2: Convert to fraction form
   2,091.01/2,885.46 = 1,146.79/x
3. Step 3: Cross multiply
   2,091.01x = 2,885.46 × 1,146.79
4. Step 4: Simplify right side
   2,091.01x = 3,309,016.67
5. Step 5: Solve for x
   x = 3,309,016.67/2,091.01
6. Step 6: Final answer
   x = 1,582.50