Finding the Fourth Proportional to 7,460.22, 10,287.46 and 5,221.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,460.22 : 10,287.46 = 5,221.38 : x
2. Step 2: Convert to fraction form
   7,460.22/10,287.46 = 5,221.38/x
3. Step 3: Cross multiply
   7,460.22x = 10,287.46 × 5,221.38
4. Step 4: Simplify right side
   7,460.22x = 53,714,737.89
5. Step 5: Solve for x
   x = 53,714,737.89/7,460.22
6. Step 6: Final answer
   x = 7,200.15