Finding the Fourth Proportional to 2,188.92, 3,281.86 and 1,132.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.92 : 3,281.86 = 1,132.18 : x
2. Step 2: Convert to fraction form
   2,188.92/3,281.86 = 1,132.18/x
3. Step 3: Cross multiply
   2,188.92x = 3,281.86 × 1,132.18
4. Step 4: Simplify right side
   2,188.92x = 3,715,656.25
5. Step 5: Solve for x
   x = 3,715,656.25/2,188.92
6. Step 6: Final answer
   x = 1,697.48