Finding the Fourth Proportional to 1,356.69, 1,871.55 and 833.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356.69 : 1,871.55 = 833.01 : x
2. Step 2: Convert to fraction form
   1,356.69/1,871.55 = 833.01/x
3. Step 3: Cross multiply
   1,356.69x = 1,871.55 × 833.01
4. Step 4: Simplify right side
   1,356.69x = 1,559,019.87
5. Step 5: Solve for x
   x = 1,559,019.87/1,356.69
6. Step 6: Final answer
   x = 1,149.13