Finding the Fourth Proportional to 1,466.32, 2,196.78 and 918.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,466.32 : 2,196.78 = 918.40 : x
2. Step 2: Convert to fraction form
   1,466.32/2,196.78 = 918.40/x
3. Step 3: Cross multiply
   1,466.32x = 2,196.78 × 918.40
4. Step 4: Simplify right side
   1,466.32x = 2,017,522.75
5. Step 5: Solve for x
   x = 2,017,522.75/1,466.32
6. Step 6: Final answer
   x = 1,375.91