Finding the Fourth Proportional to 1,468.08, 2,200.89 and 687.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468.08 : 2,200.89 = 687.69 : x
2. Step 2: Convert to fraction form
   1,468.08/2,200.89 = 687.69/x
3. Step 3: Cross multiply
   1,468.08x = 2,200.89 × 687.69
4. Step 4: Simplify right side
   1,468.08x = 1,513,530.04
5. Step 5: Solve for x
   x = 1,513,530.04/1,468.08
6. Step 6: Final answer
   x = 1,030.96