Finding the Fourth Proportional to 9,059.34, 13,588.06 and 3,216.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,059.34 : 13,588.06 = 3,216.28 : x
2. Step 2: Convert to fraction form
   9,059.34/13,588.06 = 3,216.28/x
3. Step 3: Cross multiply
   9,059.34x = 13,588.06 × 3,216.28
4. Step 4: Simplify right side
   9,059.34x = 43,703,005.62
5. Step 5: Solve for x
   x = 43,703,005.62/9,059.34
6. Step 6: Final answer
   x = 4,824.08