Finding the Fourth Proportional to 1,534.82, 2,118.01 and 836.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,534.82 : 2,118.01 = 836.18 : x
2. Step 2: Convert to fraction form
   1,534.82/2,118.01 = 836.18/x
3. Step 3: Cross multiply
   1,534.82x = 2,118.01 × 836.18
4. Step 4: Simplify right side
   1,534.82x = 1,771,037.60
5. Step 5: Solve for x
   x = 1,771,037.60/1,534.82
6. Step 6: Final answer
   x = 1,153.91