Finding the Fourth Proportional to 1,499.62, 2,069.45 and 836.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.62 : 2,069.45 = 836.45 : x
2. Step 2: Convert to fraction form
   1,499.62/2,069.45 = 836.45/x
3. Step 3: Cross multiply
   1,499.62x = 2,069.45 × 836.45
4. Step 4: Simplify right side
   1,499.62x = 1,730,991.45
5. Step 5: Solve for x
   x = 1,730,991.45/1,499.62
6. Step 6: Final answer
   x = 1,154.29