Finding the Fourth Proportional to 1,366.34, 1,885.48 and 836.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366.34 : 1,885.48 = 836.10 : x
2. Step 2: Convert to fraction form
   1,366.34/1,885.48 = 836.10/x
3. Step 3: Cross multiply
   1,366.34x = 1,885.48 × 836.10
4. Step 4: Simplify right side
   1,366.34x = 1,576,449.83
5. Step 5: Solve for x
   x = 1,576,449.83/1,366.34
6. Step 6: Final answer
   x = 1,153.78