Finding the Fourth Proportional to 9,436.08, 13,018.47 and 5,660.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,436.08 : 13,018.47 = 5,660.47 : x
2. Step 2: Convert to fraction form
   9,436.08/13,018.47 = 5,660.47/x
3. Step 3: Cross multiply
   9,436.08x = 13,018.47 × 5,660.47
4. Step 4: Simplify right side
   9,436.08x = 73,690,658.88
5. Step 5: Solve for x
   x = 73,690,658.88/9,436.08
6. Step 6: Final answer
   x = 7,809.46