Finding the Fourth Proportional to 9,429.72, 14,139.18 and 4,746.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.72 : 14,139.18 = 4,746.30 : x
2. Step 2: Convert to fraction form
   9,429.72/14,139.18 = 4,746.30/x
3. Step 3: Cross multiply
   9,429.72x = 14,139.18 × 4,746.30
4. Step 4: Simplify right side
   9,429.72x = 67,108,790.03
5. Step 5: Solve for x
   x = 67,108,790.03/9,429.72
6. Step 6: Final answer
   x = 7,116.73