Finding the Fourth Proportional to 7,321.10, 10,103.73 and 4,177.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,321.10 : 10,103.73 = 4,177.22 : x
2. Step 2: Convert to fraction form
   7,321.10/10,103.73 = 4,177.22/x
3. Step 3: Cross multiply
   7,321.10x = 10,103.73 × 4,177.22
4. Step 4: Simplify right side
   7,321.10x = 42,205,503.03
5. Step 5: Solve for x
   x = 42,205,503.03/7,321.10
6. Step 6: Final answer
   x = 5,764.91