Finding the Fourth Proportional to 9,308.17, 12,845.35 and 5,059.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.17 : 12,845.35 = 5,059.23 : x
2. Step 2: Convert to fraction form
   9,308.17/12,845.35 = 5,059.23/x
3. Step 3: Cross multiply
   9,308.17x = 12,845.35 × 5,059.23
4. Step 4: Simplify right side
   9,308.17x = 64,987,554.78
5. Step 5: Solve for x
   x = 64,987,554.78/9,308.17
6. Step 6: Final answer
   x = 6,981.78