Finding the Fourth Proportional to 3,662.58, 5,491.76 and 3,224.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.58 : 5,491.76 = 3,224.72 : x
2. Step 2: Convert to fraction form
   3,662.58/5,491.76 = 3,224.72/x
3. Step 3: Cross multiply
   3,662.58x = 5,491.76 × 3,224.72
4. Step 4: Simplify right side
   3,662.58x = 17,709,368.91
5. Step 5: Solve for x
   x = 17,709,368.91/3,662.58
6. Step 6: Final answer
   x = 4,835.21