Finding the Fourth Proportional to 1,499.58, 2,069.32 and 836.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.58 : 2,069.32 = 836.49 : x
2. Step 2: Convert to fraction form
   1,499.58/2,069.32 = 836.49/x
3. Step 3: Cross multiply
   1,499.58x = 2,069.32 × 836.49
4. Step 4: Simplify right side
   1,499.58x = 1,730,965.49
5. Step 5: Solve for x
   x = 1,730,965.49/1,499.58
6. Step 6: Final answer
   x = 1,154.30