Finding the Fourth Proportional to 1,643.32, 2,452.35 and 1,468.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643.32 : 2,452.35 = 1,468.16 : x
2. Step 2: Convert to fraction form
   1,643.32/2,452.35 = 1,468.16/x
3. Step 3: Cross multiply
   1,643.32x = 2,452.35 × 1,468.16
4. Step 4: Simplify right side
   1,643.32x = 3,600,442.18
5. Step 5: Solve for x
   x = 3,600,442.18/1,643.32
6. Step 6: Final answer
   x = 2,190.96