Finding the Fourth Proportional to 1,499.86, 2,069.82 and 836.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.86 : 2,069.82 = 836.76 : x
2. Step 2: Convert to fraction form
   1,499.86/2,069.82 = 836.76/x
3. Step 3: Cross multiply
   1,499.86x = 2,069.82 × 836.76
4. Step 4: Simplify right side
   1,499.86x = 1,731,942.58
5. Step 5: Solve for x
   x = 1,731,942.58/1,499.86
6. Step 6: Final answer
   x = 1,154.74