Finding the Fourth Proportional to 3,705.12, 5,561.46 and 2,892.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.12 : 5,561.46 = 2,892.42 : x
2. Step 2: Convert to fraction form
   3,705.12/5,561.46 = 2,892.42/x
3. Step 3: Cross multiply
   3,705.12x = 5,561.46 × 2,892.42
4. Step 4: Simplify right side
   3,705.12x = 16,086,078.13
5. Step 5: Solve for x
   x = 16,086,078.13/3,705.12
6. Step 6: Final answer
   x = 4,341.58