Finding the Fourth Proportional to 9,429.30, 14,111.55 and 6,513.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.30 : 14,111.55 = 6,513.30 : x
2. Step 2: Convert to fraction form
   9,429.30/14,111.55 = 6,513.30/x
3. Step 3: Cross multiply
   9,429.30x = 14,111.55 × 6,513.30
4. Step 4: Simplify right side
   9,429.30x = 91,912,758.62
5. Step 5: Solve for x
   x = 91,912,758.62/9,429.30
6. Step 6: Final answer
   x = 9,747.57