Finding the Fourth Proportional to 9,395.30, 12,965.17 and 5,416.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,395.30 : 12,965.17 = 5,416.58 : x
2. Step 2: Convert to fraction form
   9,395.30/12,965.17 = 5,416.58/x
3. Step 3: Cross multiply
   9,395.30x = 12,965.17 × 5,416.58
4. Step 4: Simplify right side
   9,395.30x = 70,226,880.52
5. Step 5: Solve for x
   x = 70,226,880.52/9,395.30
6. Step 6: Final answer
   x = 7,474.68