Finding the Fourth Proportional to 2,188.58, 3,020.22 and 1,193.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.58 : 3,020.22 = 1,193.86 : x
2. Step 2: Convert to fraction form
   2,188.58/3,020.22 = 1,193.86/x
3. Step 3: Cross multiply
   2,188.58x = 3,020.22 × 1,193.86
4. Step 4: Simplify right side
   2,188.58x = 3,605,719.85
5. Step 5: Solve for x
   x = 3,605,719.85/2,188.58
6. Step 6: Final answer
   x = 1,647.52