Finding the Fourth Proportional to 9,353.43, 12,907.56 and 5,104.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,353.43 : 12,907.56 = 5,104.35 : x
2. Step 2: Convert to fraction form
   9,353.43/12,907.56 = 5,104.35/x
3. Step 3: Cross multiply
   9,353.43x = 12,907.56 × 5,104.35
4. Step 4: Simplify right side
   9,353.43x = 65,884,703.89
5. Step 5: Solve for x
   x = 65,884,703.89/9,353.43
6. Step 6: Final answer
   x = 7,043.91