Finding the Fourth Proportional to 2,035.50, 3,051.55 and 866.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,035.50 : 3,051.55 = 866.42 : x
2. Step 2: Convert to fraction form
   2,035.50/3,051.55 = 866.42/x
3. Step 3: Cross multiply
   2,035.50x = 3,051.55 × 866.42
4. Step 4: Simplify right side
   2,035.50x = 2,643,923.95
5. Step 5: Solve for x
   x = 2,643,923.95/2,035.50
6. Step 6: Final answer
   x = 1,298.91