Finding the Fourth Proportional to 2,200.48, 3,037.61 and 1,316.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.48 : 3,037.61 = 1,316.12 : x
2. Step 2: Convert to fraction form
   2,200.48/3,037.61 = 1,316.12/x
3. Step 3: Cross multiply
   2,200.48x = 3,037.61 × 1,316.12
4. Step 4: Simplify right side
   2,200.48x = 3,997,847.38
5. Step 5: Solve for x
   x = 3,997,847.38/2,200.48
6. Step 6: Final answer
   x = 1,816.81