Finding the Fourth Proportional to 1,499.19, 2,068.79 and 836.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.19 : 2,068.79 = 836.09 : x
2. Step 2: Convert to fraction form
   1,499.19/2,068.79 = 836.09/x
3. Step 3: Cross multiply
   1,499.19x = 2,068.79 × 836.09
4. Step 4: Simplify right side
   1,499.19x = 1,729,684.29
5. Step 5: Solve for x
   x = 1,729,684.29/1,499.19
6. Step 6: Final answer
   x = 1,153.75