Finding the Fourth Proportional to 2,188.52, 3,020.18 and 1,193.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.52 : 3,020.18 = 1,193.79 : x
2. Step 2: Convert to fraction form
   2,188.52/3,020.18 = 1,193.79/x
3. Step 3: Cross multiply
   2,188.52x = 3,020.18 × 1,193.79
4. Step 4: Simplify right side
   2,188.52x = 3,605,454.71
5. Step 5: Solve for x
   x = 3,605,454.71/2,188.52
6. Step 6: Final answer
   x = 1,647.44