Finding the Fourth Proportional to 1,499.27, 2,068.85 and 836.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.27 : 2,068.85 = 836.15 : x
2. Step 2: Convert to fraction form
   1,499.27/2,068.85 = 836.15/x
3. Step 3: Cross multiply
   1,499.27x = 2,068.85 × 836.15
4. Step 4: Simplify right side
   1,499.27x = 1,729,854.40
5. Step 5: Solve for x
   x = 1,729,854.40/1,499.27
6. Step 6: Final answer
   x = 1,153.80