Finding the Fourth Proportional to 1,293.33, 1,784.38 and 874.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293.33 : 1,784.38 = 874.15 : x
2. Step 2: Convert to fraction form
   1,293.33/1,784.38 = 874.15/x
3. Step 3: Cross multiply
   1,293.33x = 1,784.38 × 874.15
4. Step 4: Simplify right side
   1,293.33x = 1,559,815.78
5. Step 5: Solve for x
   x = 1,559,815.78/1,293.33
6. Step 6: Final answer
   x = 1,206.05