Finding the Fourth Proportional to 9,309.42, 12,846.75 and 5,117.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,309.42 : 12,846.75 = 5,117.10 : x
2. Step 2: Convert to fraction form
   9,309.42/12,846.75 = 5,117.10/x
3. Step 3: Cross multiply
   9,309.42x = 12,846.75 × 5,117.10
4. Step 4: Simplify right side
   9,309.42x = 65,738,104.43
5. Step 5: Solve for x
   x = 65,738,104.43/9,309.42
6. Step 6: Final answer
   x = 7,061.46