Finding the Fourth Proportional to 1,150.50, 1,722.42 and 877.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.50 : 1,722.42 = 877.68 : x
2. Step 2: Convert to fraction form
   1,150.50/1,722.42 = 877.68/x
3. Step 3: Cross multiply
   1,150.50x = 1,722.42 × 877.68
4. Step 4: Simplify right side
   1,150.50x = 1,511,733.59
5. Step 5: Solve for x
   x = 1,511,733.59/1,150.50
6. Step 6: Final answer
   x = 1,313.98