Finding the Fourth Proportional to 12,219.75, 18,323.55 and 5,975.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,219.75 : 18,323.55 = 5,975.87 : x
2. Step 2: Convert to fraction form
   12,219.75/18,323.55 = 5,975.87/x
3. Step 3: Cross multiply
   12,219.75x = 18,323.55 × 5,975.87
4. Step 4: Simplify right side
   12,219.75x = 109,499,061.12
5. Step 5: Solve for x
   x = 109,499,061.12/12,219.75
6. Step 6: Final answer
   x = 8,960.83