Finding the Fourth Proportional to 10,654.99, 15,984.28 and 3,257.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,654.99 : 15,984.28 = 3,257.72 : x
2. Step 2: Convert to fraction form
   10,654.99/15,984.28 = 3,257.72/x
3. Step 3: Cross multiply
   10,654.99x = 15,984.28 × 3,257.72
4. Step 4: Simplify right side
   10,654.99x = 52,072,308.64
5. Step 5: Solve for x
   x = 52,072,308.64/10,654.99
6. Step 6: Final answer
   x = 4,887.13