Finding the Fourth Proportional to 13,107.34, 19,653.72 and 4,337.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,107.34 : 19,653.72 = 4,337.47 : x
2. Step 2: Convert to fraction form
   13,107.34/19,653.72 = 4,337.47/x
3. Step 3: Cross multiply
   13,107.34x = 19,653.72 × 4,337.47
4. Step 4: Simplify right side
   13,107.34x = 85,247,420.89
5. Step 5: Solve for x
   x = 85,247,420.89/13,107.34
6. Step 6: Final answer
   x = 6,503.79