Finding the Fourth Proportional to 9,623.69, 13,280.73 and 5,207.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,623.69 : 13,280.73 = 5,207.69 : x
2. Step 2: Convert to fraction form
   9,623.69/13,280.73 = 5,207.69/x
3. Step 3: Cross multiply
   9,623.69x = 13,280.73 × 5,207.69
4. Step 4: Simplify right side
   9,623.69x = 69,161,885.10
5. Step 5: Solve for x
   x = 69,161,885.10/9,623.69
6. Step 6: Final answer
   x = 7,186.63