Finding the Fourth Proportional to 10,216.78, 15,326.61 and 3,641.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,216.78 : 15,326.61 = 3,641.02 : x
2. Step 2: Convert to fraction form
   10,216.78/15,326.61 = 3,641.02/x
3. Step 3: Cross multiply
   10,216.78x = 15,326.61 × 3,641.02
4. Step 4: Simplify right side
   10,216.78x = 55,804,493.54
5. Step 5: Solve for x
   x = 55,804,493.54/10,216.78
6. Step 6: Final answer
   x = 5,462.04