Finding the Fourth Proportional to 1,156.95, 1,733.81 and 868.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.95 : 1,733.81 = 868.05 : x
2. Step 2: Convert to fraction form
   1,156.95/1,733.81 = 868.05/x
3. Step 3: Cross multiply
   1,156.95x = 1,733.81 × 868.05
4. Step 4: Simplify right side
   1,156.95x = 1,505,029.43
5. Step 5: Solve for x
   x = 1,505,029.43/1,156.95
6. Step 6: Final answer
   x = 1,300.86