Finding the Fourth Proportional to 10,638, 15,959.56 and 3,342

Step by Step Solution

1. Step 1: Write the proportion equation
   10,638 : 15,959.56 = 3,342 : x
2. Step 2: Convert to fraction form
   10,638/15,959.56 = 3,342/x
3. Step 3: Cross multiply
   10,638x = 15,959.56 × 3,342
4. Step 4: Simplify right side
   10,638x = 53,336,849.52
5. Step 5: Solve for x
   x = 53,336,849.52/10,638
6. Step 6: Final answer
   x = 5,013.80