Finding the Fourth Proportional to 3,892.86, 5,838.22 and 1,118.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.86 : 5,838.22 = 1,118.79 : x
2. Step 2: Convert to fraction form
   3,892.86/5,838.22 = 1,118.79/x
3. Step 3: Cross multiply
   3,892.86x = 5,838.22 × 1,118.79
4. Step 4: Simplify right side
   3,892.86x = 6,531,742.15
5. Step 5: Solve for x
   x = 6,531,742.15/3,892.86
6. Step 6: Final answer
   x = 1,677.88