Finding the Fourth Proportional to 1,468.38, 2,197.98 and 918.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468.38 : 2,197.98 = 918.12 : x
2. Step 2: Convert to fraction form
   1,468.38/2,197.98 = 918.12/x
3. Step 3: Cross multiply
   1,468.38x = 2,197.98 × 918.12
4. Step 4: Simplify right side
   1,468.38x = 2,018,009.40
5. Step 5: Solve for x
   x = 2,018,009.40/1,468.38
6. Step 6: Final answer
   x = 1,374.31