Finding the Fourth Proportional to 9,887.92, 14,829.54 and 3,644.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,887.92 : 14,829.54 = 3,644.54 : x
2. Step 2: Convert to fraction form
   9,887.92/14,829.54 = 3,644.54/x
3. Step 3: Cross multiply
   9,887.92x = 14,829.54 × 3,644.54
4. Step 4: Simplify right side
   9,887.92x = 54,046,796.42
5. Step 5: Solve for x
   x = 54,046,796.42/9,887.92
6. Step 6: Final answer
   x = 5,465.94