Finding the Fourth Proportional to 9,665.10, 13,333.95 and 7,423.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665.10 : 13,333.95 = 7,423.02 : x
2. Step 2: Convert to fraction form
   9,665.10/13,333.95 = 7,423.02/x
3. Step 3: Cross multiply
   9,665.10x = 13,333.95 × 7,423.02
4. Step 4: Simplify right side
   9,665.10x = 98,978,177.53
5. Step 5: Solve for x
   x = 98,978,177.53/9,665.10
6. Step 6: Final answer
   x = 10,240.78