Finding the Fourth Proportional to 13,103.91, 19,653.98 and 4,337.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,103.91 : 19,653.98 = 4,337.69 : x
2. Step 2: Convert to fraction form
   13,103.91/19,653.98 = 4,337.69/x
3. Step 3: Cross multiply
   13,103.91x = 19,653.98 × 4,337.69
4. Step 4: Simplify right side
   13,103.91x = 85,252,752.55
5. Step 5: Solve for x
   x = 85,252,752.55/13,103.91
6. Step 6: Final answer
   x = 6,505.90