Finding the Fourth Proportional to 1,499.23, 2,068.80 and 836.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.23 : 2,068.80 = 836.07 : x
2. Step 2: Convert to fraction form
   1,499.23/2,068.80 = 836.07/x
3. Step 3: Cross multiply
   1,499.23x = 2,068.80 × 836.07
4. Step 4: Simplify right side
   1,499.23x = 1,729,661.62
5. Step 5: Solve for x
   x = 1,729,661.62/1,499.23
6. Step 6: Final answer
   x = 1,153.70