Finding the Fourth Proportional to 7,221.54, 10,834.72 and 3,323

Step by Step Solution

1. Step 1: Write the proportion equation
   7,221.54 : 10,834.72 = 3,323 : x
2. Step 2: Convert to fraction form
   7,221.54/10,834.72 = 3,323/x
3. Step 3: Cross multiply
   7,221.54x = 10,834.72 × 3,323
4. Step 4: Simplify right side
   7,221.54x = 36,003,774.56
5. Step 5: Solve for x
   x = 36,003,774.56/7,221.54
6. Step 6: Final answer
   x = 4,985.61