Finding the Fourth Proportional to 10,429.99, 14,391.23 and 5,955.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,429.99 : 14,391.23 = 5,955.20 : x
2. Step 2: Convert to fraction form
   10,429.99/14,391.23 = 5,955.20/x
3. Step 3: Cross multiply
   10,429.99x = 14,391.23 × 5,955.20
4. Step 4: Simplify right side
   10,429.99x = 85,702,667.78
5. Step 5: Solve for x
   x = 85,702,667.78/10,429.99
6. Step 6: Final answer
   x = 8,216.94