Finding the Fourth Proportional to 3,630.52, 5,419.13 and 3,322.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,630.52 : 5,419.13 = 3,322.72 : x
2. Step 2: Convert to fraction form
   3,630.52/5,419.13 = 3,322.72/x
3. Step 3: Cross multiply
   3,630.52x = 5,419.13 × 3,322.72
4. Step 4: Simplify right side
   3,630.52x = 18,006,251.63
5. Step 5: Solve for x
   x = 18,006,251.63/3,630.52
6. Step 6: Final answer
   x = 4,959.69