Finding the Fourth Proportional to 9,395.48, 12,962.61 and 5,416.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,395.48 : 12,962.61 = 5,416.55 : x
2. Step 2: Convert to fraction form
   9,395.48/12,962.61 = 5,416.55/x
3. Step 3: Cross multiply
   9,395.48x = 12,962.61 × 5,416.55
4. Step 4: Simplify right side
   9,395.48x = 70,212,625.20
5. Step 5: Solve for x
   x = 70,212,625.20/9,395.48
6. Step 6: Final answer
   x = 7,473.02