Finding the Fourth Proportional to 2,609.52, 3,915.22 and 1,148.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.52 : 3,915.22 = 1,148.50 : x
2. Step 2: Convert to fraction form
   2,609.52/3,915.22 = 1,148.50/x
3. Step 3: Cross multiply
   2,609.52x = 3,915.22 × 1,148.50
4. Step 4: Simplify right side
   2,609.52x = 4,496,630.17
5. Step 5: Solve for x
   x = 4,496,630.17/2,609.52
6. Step 6: Final answer
   x = 1,723.16