Finding the Fourth Proportional to 1,464.78, 2,196.12 and 734.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,464.78 : 2,196.12 = 734.16 : x
2. Step 2: Convert to fraction form
   1,464.78/2,196.12 = 734.16/x
3. Step 3: Cross multiply
   1,464.78x = 2,196.12 × 734.16
4. Step 4: Simplify right side
   1,464.78x = 1,612,303.46
5. Step 5: Solve for x
   x = 1,612,303.46/1,464.78
6. Step 6: Final answer
   x = 1,100.71