Finding the Fourth Proportional to 5,200.16, 7,173.50 and 3,522.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200.16 : 7,173.50 = 3,522.15 : x
2. Step 2: Convert to fraction form
   5,200.16/7,173.50 = 3,522.15/x
3. Step 3: Cross multiply
   5,200.16x = 7,173.50 × 3,522.15
4. Step 4: Simplify right side
   5,200.16x = 25,266,125.41
5. Step 5: Solve for x
   x = 25,266,125.41/5,200.16
6. Step 6: Final answer
   x = 4,858.73