Finding the Fourth Proportional to 2,200.71, 3,036.38 and 1,316.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.71 : 3,036.38 = 1,316.19 : x
2. Step 2: Convert to fraction form
   2,200.71/3,036.38 = 1,316.19/x
3. Step 3: Cross multiply
   2,200.71x = 3,036.38 × 1,316.19
4. Step 4: Simplify right side
   2,200.71x = 3,996,446.41
5. Step 5: Solve for x
   x = 3,996,446.41/2,200.71
6. Step 6: Final answer
   x = 1,815.98