Finding the Fourth Proportional to 1,499.91, 2,069.88 and 836.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.91 : 2,069.88 = 836.88 : x
2. Step 2: Convert to fraction form
   1,499.91/2,069.88 = 836.88/x
3. Step 3: Cross multiply
   1,499.91x = 2,069.88 × 836.88
4. Step 4: Simplify right side
   1,499.91x = 1,732,241.17
5. Step 5: Solve for x
   x = 1,732,241.17/1,499.91
6. Step 6: Final answer
   x = 1,154.90