Finding the Fourth Proportional to 2,188.02, 3,258.82 and 2,177.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.02 : 3,258.82 = 2,177.42 : x
2. Step 2: Convert to fraction form
   2,188.02/3,258.82 = 2,177.42/x
3. Step 3: Cross multiply
   2,188.02x = 3,258.82 × 2,177.42
4. Step 4: Simplify right side
   2,188.02x = 7,095,819.84
5. Step 5: Solve for x
   x = 7,095,819.84/2,188.02
6. Step 6: Final answer
   x = 3,243.03