Finding the Fourth Proportional to 5,147.50, 7,105.18 and 3,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147.50 : 7,105.18 = 3,284.50 : x
2. Step 2: Convert to fraction form
   5,147.50/7,105.18 = 3,284.50/x
3. Step 3: Cross multiply
   5,147.50x = 7,105.18 × 3,284.50
4. Step 4: Simplify right side
   5,147.50x = 23,336,963.71
5. Step 5: Solve for x
   x = 23,336,963.71/5,147.50
6. Step 6: Final answer
   x = 4,533.65