Finding the Fourth Proportional to 10,228.90, 15,345.82 and 3,564.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,228.90 : 15,345.82 = 3,564.42 : x
2. Step 2: Convert to fraction form
   10,228.90/15,345.82 = 3,564.42/x
3. Step 3: Cross multiply
   10,228.90x = 15,345.82 × 3,564.42
4. Step 4: Simplify right side
   10,228.90x = 54,698,947.72
5. Step 5: Solve for x
   x = 54,698,947.72/10,228.90
6. Step 6: Final answer
   x = 5,347.49