Finding the Fourth Proportional to 9,401.69, 12,966.05 and 5,816.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.69 : 12,966.05 = 5,816.08 : x
2. Step 2: Convert to fraction form
   9,401.69/12,966.05 = 5,816.08/x
3. Step 3: Cross multiply
   9,401.69x = 12,966.05 × 5,816.08
4. Step 4: Simplify right side
   9,401.69x = 75,411,570.19
5. Step 5: Solve for x
   x = 75,411,570.19/9,401.69
6. Step 6: Final answer
   x = 8,021.06