Finding the Fourth Proportional to 9,429.80, 14,141.42 and 4,748

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.80 : 14,141.42 = 4,748 : x
2. Step 2: Convert to fraction form
   9,429.80/14,141.42 = 4,748/x
3. Step 3: Cross multiply
   9,429.80x = 14,141.42 × 4,748
4. Step 4: Simplify right side
   9,429.80x = 67,143,462.16
5. Step 5: Solve for x
   x = 67,143,462.16/9,429.80
6. Step 6: Final answer
   x = 7,120.35