Finding the Fourth Proportional to 7,282.98, 10,921.23 and 3,388.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,282.98 : 10,921.23 = 3,388.50 : x
2. Step 2: Convert to fraction form
   7,282.98/10,921.23 = 3,388.50/x
3. Step 3: Cross multiply
   7,282.98x = 10,921.23 × 3,388.50
4. Step 4: Simplify right side
   7,282.98x = 37,006,587.86
5. Step 5: Solve for x
   x = 37,006,587.86/7,282.98
6. Step 6: Final answer
   x = 5,081.24