Finding the Fourth Proportional to 7,363.50, 10,161.72 and 4,219.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,363.50 : 10,161.72 = 4,219.80 : x
2. Step 2: Convert to fraction form
   7,363.50/10,161.72 = 4,219.80/x
3. Step 3: Cross multiply
   7,363.50x = 10,161.72 × 4,219.80
4. Step 4: Simplify right side
   7,363.50x = 42,880,426.06
5. Step 5: Solve for x
   x = 42,880,426.06/7,363.50
6. Step 6: Final answer
   x = 5,823.38