Finding the Fourth Proportional to 1,567.59, 2,350.79 and 836.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567.59 : 2,350.79 = 836.76 : x
2. Step 2: Convert to fraction form
   1,567.59/2,350.79 = 836.76/x
3. Step 3: Cross multiply
   1,567.59x = 2,350.79 × 836.76
4. Step 4: Simplify right side
   1,567.59x = 1,967,042.86
5. Step 5: Solve for x
   x = 1,967,042.86/1,567.59
6. Step 6: Final answer
   x = 1,254.82