Finding the Fourth Proportional to 5,111.60, 7,669.29 and 2,192.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.60 : 7,669.29 = 2,192.18 : x
2. Step 2: Convert to fraction form
   5,111.60/7,669.29 = 2,192.18/x
3. Step 3: Cross multiply
   5,111.60x = 7,669.29 × 2,192.18
4. Step 4: Simplify right side
   5,111.60x = 16,812,464.15
5. Step 5: Solve for x
   x = 16,812,464.15/5,111.60
6. Step 6: Final answer
   x = 3,289.08