Finding the Fourth Proportional to 1,948.02, 2,922.72 and 1,198.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.02 : 2,922.72 = 1,198.38 : x
2. Step 2: Convert to fraction form
   1,948.02/2,922.72 = 1,198.38/x
3. Step 3: Cross multiply
   1,948.02x = 2,922.72 × 1,198.38
4. Step 4: Simplify right side
   1,948.02x = 3,502,529.19
5. Step 5: Solve for x
   x = 3,502,529.19/1,948.02
6. Step 6: Final answer
   x = 1,797.99