Finding the Fourth Proportional to 1,566.42, 2,351.15 and 836.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.42 : 2,351.15 = 836.51 : x
2. Step 2: Convert to fraction form
   1,566.42/2,351.15 = 836.51/x
3. Step 3: Cross multiply
   1,566.42x = 2,351.15 × 836.51
4. Step 4: Simplify right side
   1,566.42x = 1,966,760.49
5. Step 5: Solve for x
   x = 1,966,760.49/1,566.42
6. Step 6: Final answer
   x = 1,255.58