Finding the Fourth Proportional to 12,362.71, 18,543.86 and 3,002.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,362.71 : 18,543.86 = 3,002.80 : x
2. Step 2: Convert to fraction form
   12,362.71/18,543.86 = 3,002.80/x
3. Step 3: Cross multiply
   12,362.71x = 18,543.86 × 3,002.80
4. Step 4: Simplify right side
   12,362.71x = 55,683,487.79
5. Step 5: Solve for x
   x = 55,683,487.79/12,362.71
6. Step 6: Final answer
   x = 4,504.15