Finding the Fourth Proportional to 2,188.16, 3,020.76 and 1,493.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.16 : 3,020.76 = 1,493.20 : x
2. Step 2: Convert to fraction form
   2,188.16/3,020.76 = 1,493.20/x
3. Step 3: Cross multiply
   2,188.16x = 3,020.76 × 1,493.20
4. Step 4: Simplify right side
   2,188.16x = 4,510,598.83
5. Step 5: Solve for x
   x = 4,510,598.83/2,188.16
6. Step 6: Final answer
   x = 2,061.37