Finding the Fourth Proportional to 1,499.53, 2,069.40 and 836.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.53 : 2,069.40 = 836.41 : x
2. Step 2: Convert to fraction form
   1,499.53/2,069.40 = 836.41/x
3. Step 3: Cross multiply
   1,499.53x = 2,069.40 × 836.41
4. Step 4: Simplify right side
   1,499.53x = 1,730,866.85
5. Step 5: Solve for x
   x = 1,730,866.85/1,499.53
6. Step 6: Final answer
   x = 1,154.27