Finding the Fourth Proportional to 3,892.12, 5,836.42 and 1,118.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.12 : 5,836.42 = 1,118.16 : x
2. Step 2: Convert to fraction form
   3,892.12/5,836.42 = 1,118.16/x
3. Step 3: Cross multiply
   3,892.12x = 5,836.42 × 1,118.16
4. Step 4: Simplify right side
   3,892.12x = 6,526,051.39
5. Step 5: Solve for x
   x = 6,526,051.39/3,892.12
6. Step 6: Final answer
   x = 1,676.73