Finding the Fourth Proportional to 10,213.22, 15,321.15 and 3,641.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,213.22 : 15,321.15 = 3,641.30 : x
2. Step 2: Convert to fraction form
   10,213.22/15,321.15 = 3,641.30/x
3. Step 3: Cross multiply
   10,213.22x = 15,321.15 × 3,641.30
4. Step 4: Simplify right side
   10,213.22x = 55,788,903.50
5. Step 5: Solve for x
   x = 55,788,903.50/10,213.22
6. Step 6: Final answer
   x = 5,462.42