Finding the Fourth Proportional to 9,395.60, 12,965.05 and 5,618.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,395.60 : 12,965.05 = 5,618.03 : x
2. Step 2: Convert to fraction form
   9,395.60/12,965.05 = 5,618.03/x
3. Step 3: Cross multiply
   9,395.60x = 12,965.05 × 5,618.03
4. Step 4: Simplify right side
   9,395.60x = 72,838,039.85
5. Step 5: Solve for x
   x = 72,838,039.85/9,395.60
6. Step 6: Final answer
   x = 7,752.36