Finding the Fourth Proportional to 2,188.34, 3,019.85 and 1,193.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.34 : 3,019.85 = 1,193.58 : x
2. Step 2: Convert to fraction form
   2,188.34/3,019.85 = 1,193.58/x
3. Step 3: Cross multiply
   2,188.34x = 3,019.85 × 1,193.58
4. Step 4: Simplify right side
   2,188.34x = 3,604,426.60
5. Step 5: Solve for x
   x = 3,604,426.60/2,188.34
6. Step 6: Final answer
   x = 1,647.11