Finding the Fourth Proportional to 3,760.02, 5,638.59 and 2,219.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.02 : 5,638.59 = 2,219.22 : x
2. Step 2: Convert to fraction form
   3,760.02/5,638.59 = 2,219.22/x
3. Step 3: Cross multiply
   3,760.02x = 5,638.59 × 2,219.22
4. Step 4: Simplify right side
   3,760.02x = 12,513,271.70
5. Step 5: Solve for x
   x = 12,513,271.70/3,760.02
6. Step 6: Final answer
   x = 3,327.98