Finding the Fourth Proportional to 2,710.69, 4,066.62 and 836.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.69 : 4,066.62 = 836.59 : x
2. Step 2: Convert to fraction form
   2,710.69/4,066.62 = 836.59/x
3. Step 3: Cross multiply
   2,710.69x = 4,066.62 × 836.59
4. Step 4: Simplify right side
   2,710.69x = 3,402,093.63
5. Step 5: Solve for x
   x = 3,402,093.63/2,710.69
6. Step 6: Final answer
   x = 1,255.07