Finding the Fourth Proportional to 11,522.18, 17,280.90 and 3,200.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,522.18 : 17,280.90 = 3,200.10 : x
2. Step 2: Convert to fraction form
   11,522.18/17,280.90 = 3,200.10/x
3. Step 3: Cross multiply
   11,522.18x = 17,280.90 × 3,200.10
4. Step 4: Simplify right side
   11,522.18x = 55,300,608.09
5. Step 5: Solve for x
   x = 55,300,608.09/11,522.18
6. Step 6: Final answer
   x = 4,799.49