Finding the Fourth Proportional to 1,499.45, 2,069.28 and 836.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.45 : 2,069.28 = 836.33 : x
2. Step 2: Convert to fraction form
   1,499.45/2,069.28 = 836.33/x
3. Step 3: Cross multiply
   1,499.45x = 2,069.28 × 836.33
4. Step 4: Simplify right side
   1,499.45x = 1,730,590.60
5. Step 5: Solve for x
   x = 1,730,590.60/1,499.45
6. Step 6: Final answer
   x = 1,154.15