Finding the Fourth Proportional to 12,456.32, 18,695.36 and 5,064.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,456.32 : 18,695.36 = 5,064.80 : x
2. Step 2: Convert to fraction form
   12,456.32/18,695.36 = 5,064.80/x
3. Step 3: Cross multiply
   12,456.32x = 18,695.36 × 5,064.80
4. Step 4: Simplify right side
   12,456.32x = 94,688,259.33
5. Step 5: Solve for x
   x = 94,688,259.33/12,456.32
6. Step 6: Final answer
   x = 7,601.62