Finding the Fourth Proportional to 9,307.91, 12,844.89 and 5,329.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,307.91 : 12,844.89 = 5,329.10 : x
2. Step 2: Convert to fraction form
   9,307.91/12,844.89 = 5,329.10/x
3. Step 3: Cross multiply
   9,307.91x = 12,844.89 × 5,329.10
4. Step 4: Simplify right side
   9,307.91x = 68,451,639.07
5. Step 5: Solve for x
   x = 68,451,639.07/9,307.91
6. Step 6: Final answer
   x = 7,354.14