Finding the Fourth Proportional to 2,200.42, 3,036.58 and 1,316.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.42 : 3,036.58 = 1,316.23 : x
2. Step 2: Convert to fraction form
   2,200.42/3,036.58 = 1,316.23/x
3. Step 3: Cross multiply
   2,200.42x = 3,036.58 × 1,316.23
4. Step 4: Simplify right side
   2,200.42x = 3,996,822.51
5. Step 5: Solve for x
   x = 3,996,822.51/2,200.42
6. Step 6: Final answer
   x = 1,816.39