Finding the Fourth Proportional to 23,185.12, 34,752.72 and 9,330.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,185.12 : 34,752.72 = 9,330.40 : x
2. Step 2: Convert to fraction form
   23,185.12/34,752.72 = 9,330.40/x
3. Step 3: Cross multiply
   23,185.12x = 34,752.72 × 9,330.40
4. Step 4: Simplify right side
   23,185.12x = 324,256,778.69
5. Step 5: Solve for x
   x = 324,256,778.69/23,185.12
6. Step 6: Final answer
   x = 13,985.56