Finding the Fourth Proportional to 2,798.14, 4,196.56 and 1,237.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,798.14 : 4,196.56 = 1,237.30 : x
2. Step 2: Convert to fraction form
   2,798.14/4,196.56 = 1,237.30/x
3. Step 3: Cross multiply
   2,798.14x = 4,196.56 × 1,237.30
4. Step 4: Simplify right side
   2,798.14x = 5,192,382.71
5. Step 5: Solve for x
   x = 5,192,382.71/2,798.14
6. Step 6: Final answer
   x = 1,855.66