Finding the Fourth Proportional to 10,984.52, 16,478.39 and 3,485.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,984.52 : 16,478.39 = 3,485.58 : x
2. Step 2: Convert to fraction form
   10,984.52/16,478.39 = 3,485.58/x
3. Step 3: Cross multiply
   10,984.52x = 16,478.39 × 3,485.58
4. Step 4: Simplify right side
   10,984.52x = 57,436,729.19
5. Step 5: Solve for x
   x = 57,436,729.19/10,984.52
6. Step 6: Final answer
   x = 5,228.88