Finding the Fourth Proportional to 2,148.58, 3,217.59 and 1,049.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.58 : 3,217.59 = 1,049.40 : x
2. Step 2: Convert to fraction form
   2,148.58/3,217.59 = 1,049.40/x
3. Step 3: Cross multiply
   2,148.58x = 3,217.59 × 1,049.40
4. Step 4: Simplify right side
   2,148.58x = 3,376,538.95
5. Step 5: Solve for x
   x = 3,376,538.95/2,148.58
6. Step 6: Final answer
   x = 1,571.52