Finding the Fourth Proportional to 3,632.10, 5,434.41 and 2,221.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,632.10 : 5,434.41 = 2,221.50 : x
2. Step 2: Convert to fraction form
   3,632.10/5,434.41 = 2,221.50/x
3. Step 3: Cross multiply
   3,632.10x = 5,434.41 × 2,221.50
4. Step 4: Simplify right side
   3,632.10x = 12,072,541.82
5. Step 5: Solve for x
   x = 12,072,541.82/3,632.10
6. Step 6: Final answer
   x = 3,323.85