Finding the Fourth Proportional to 2,245.80, 3,099.87 and 1,302.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.80 : 3,099.87 = 1,302.18 : x
2. Step 2: Convert to fraction form
   2,245.80/3,099.87 = 1,302.18/x
3. Step 3: Cross multiply
   2,245.80x = 3,099.87 × 1,302.18
4. Step 4: Simplify right side
   2,245.80x = 4,036,588.72
5. Step 5: Solve for x
   x = 4,036,588.72/2,245.80
6. Step 6: Final answer
   x = 1,797.39