Finding the Fourth Proportional to 9,623.99, 13,283.31 and 5,646.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,623.99 : 13,283.31 = 5,646.38 : x
2. Step 2: Convert to fraction form
   9,623.99/13,283.31 = 5,646.38/x
3. Step 3: Cross multiply
   9,623.99x = 13,283.31 × 5,646.38
4. Step 4: Simplify right side
   9,623.99x = 75,002,549.50
5. Step 5: Solve for x
   x = 75,002,549.50/9,623.99
6. Step 6: Final answer
   x = 7,793.29