Finding the Fourth Proportional to 1,367.10, 1,886.46 and 836.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.10 : 1,886.46 = 836.24 : x
2. Step 2: Convert to fraction form
   1,367.10/1,886.46 = 836.24/x
3. Step 3: Cross multiply
   1,367.10x = 1,886.46 × 836.24
4. Step 4: Simplify right side
   1,367.10x = 1,577,533.31
5. Step 5: Solve for x
   x = 1,577,533.31/1,367.10
6. Step 6: Final answer
   x = 1,153.93