Finding the Fourth Proportional to 2,200.57, 3,035.58 and 1,316.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.57 : 3,035.58 = 1,316.15 : x
2. Step 2: Convert to fraction form
   2,200.57/3,035.58 = 1,316.15/x
3. Step 3: Cross multiply
   2,200.57x = 3,035.58 × 1,316.15
4. Step 4: Simplify right side
   2,200.57x = 3,995,269.89
5. Step 5: Solve for x
   x = 3,995,269.89/2,200.57
6. Step 6: Final answer
   x = 1,815.56