Finding the Fourth Proportional to 1,363.59, 1,881.99 and 866.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.59 : 1,881.99 = 866.07 : x
2. Step 2: Convert to fraction form
   1,363.59/1,881.99 = 866.07/x
3. Step 3: Cross multiply
   1,363.59x = 1,881.99 × 866.07
4. Step 4: Simplify right side
   1,363.59x = 1,629,935.08
5. Step 5: Solve for x
   x = 1,629,935.08/1,363.59
6. Step 6: Final answer
   x = 1,195.33