Finding the Fourth Proportional to 1,499.36, 2,069.12 and 836.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.36 : 2,069.12 = 836.24 : x
2. Step 2: Convert to fraction form
   1,499.36/2,069.12 = 836.24/x
3. Step 3: Cross multiply
   1,499.36x = 2,069.12 × 836.24
4. Step 4: Simplify right side
   1,499.36x = 1,730,280.91
5. Step 5: Solve for x
   x = 1,730,280.91/1,499.36
6. Step 6: Final answer
   x = 1,154.01