Finding the Fourth Proportional to 2,200.85, 3,036.89 and 1,316.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.85 : 3,036.89 = 1,316.33 : x
2. Step 2: Convert to fraction form
   2,200.85/3,036.89 = 1,316.33/x
3. Step 3: Cross multiply
   2,200.85x = 3,036.89 × 1,316.33
4. Step 4: Simplify right side
   2,200.85x = 3,997,542.83
5. Step 5: Solve for x
   x = 3,997,542.83/2,200.85
6. Step 6: Final answer
   x = 1,816.36