Finding the Fourth Proportional to 2,188.02, 3,280.05 and 800.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.02 : 3,280.05 = 800.37 : x
2. Step 2: Convert to fraction form
   2,188.02/3,280.05 = 800.37/x
3. Step 3: Cross multiply
   2,188.02x = 3,280.05 × 800.37
4. Step 4: Simplify right side
   2,188.02x = 2,625,253.62
5. Step 5: Solve for x
   x = 2,625,253.62/2,188.02
6. Step 6: Final answer
   x = 1,199.83