Finding the Fourth Proportional to 10,323.88, 15,488.06 and 3,398.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,323.88 : 15,488.06 = 3,398.12 : x
2. Step 2: Convert to fraction form
   10,323.88/15,488.06 = 3,398.12/x
3. Step 3: Cross multiply
   10,323.88x = 15,488.06 × 3,398.12
4. Step 4: Simplify right side
   10,323.88x = 52,630,286.45
5. Step 5: Solve for x
   x = 52,630,286.45/10,323.88
6. Step 6: Final answer
   x = 5,097.92