Finding the Fourth Proportional to 2,188.02, 3,283.76 and 1,148.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.02 : 3,283.76 = 1,148.34 : x
2. Step 2: Convert to fraction form
   2,188.02/3,283.76 = 1,148.34/x
3. Step 3: Cross multiply
   2,188.02x = 3,283.76 × 1,148.34
4. Step 4: Simplify right side
   2,188.02x = 3,770,872.96
5. Step 5: Solve for x
   x = 3,770,872.96/2,188.02
6. Step 6: Final answer
   x = 1,723.42