Finding the Fourth Proportional to 9,429.26, 14,143.92 and 3,189.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.26 : 14,143.92 = 3,189.32 : x
2. Step 2: Convert to fraction form
   9,429.26/14,143.92 = 3,189.32/x
3. Step 3: Cross multiply
   9,429.26x = 14,143.92 × 3,189.32
4. Step 4: Simplify right side
   9,429.26x = 45,109,416.21
5. Step 5: Solve for x
   x = 45,109,416.21/9,429.26
6. Step 6: Final answer
   x = 4,783.99