Finding the Fourth Proportional to 1,499.20, 2,068.99 and 836.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.20 : 2,068.99 = 836.16 : x
2. Step 2: Convert to fraction form
   1,499.20/2,068.99 = 836.16/x
3. Step 3: Cross multiply
   1,499.20x = 2,068.99 × 836.16
4. Step 4: Simplify right side
   1,499.20x = 1,729,996.83
5. Step 5: Solve for x
   x = 1,729,996.83/1,499.20
6. Step 6: Final answer
   x = 1,153.95