Finding the Fourth Proportional to 8,965.02, 12,369.69 and 5,427.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,965.02 : 12,369.69 = 5,427.48 : x
2. Step 2: Convert to fraction form
   8,965.02/12,369.69 = 5,427.48/x
3. Step 3: Cross multiply
   8,965.02x = 12,369.69 × 5,427.48
4. Step 4: Simplify right side
   8,965.02x = 67,136,245.08
5. Step 5: Solve for x
   x = 67,136,245.08/8,965.02
6. Step 6: Final answer
   x = 7,488.69