Finding the Fourth Proportional to 1,363.94, 1,878.02 and 1,066.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.94 : 1,878.02 = 1,066.39 : x
2. Step 2: Convert to fraction form
   1,363.94/1,878.02 = 1,066.39/x
3. Step 3: Cross multiply
   1,363.94x = 1,878.02 × 1,066.39
4. Step 4: Simplify right side
   1,363.94x = 2,002,706.28
5. Step 5: Solve for x
   x = 2,002,706.28/1,363.94
6. Step 6: Final answer
   x = 1,468.32