Finding the Fourth Proportional to 1,499.28, 2,068.96 and 836.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.28 : 2,068.96 = 836.08 : x
2. Step 2: Convert to fraction form
   1,499.28/2,068.96 = 836.08/x
3. Step 3: Cross multiply
   1,499.28x = 2,068.96 × 836.08
4. Step 4: Simplify right side
   1,499.28x = 1,729,816.08
5. Step 5: Solve for x
   x = 1,729,816.08/1,499.28
6. Step 6: Final answer
   x = 1,153.76