Finding the Fourth Proportional to 15,308.72, 22,978.56 and 10,310.48

Step by Step Solution

1. Step 1: Write the proportion equation
   15,308.72 : 22,978.56 = 10,310.48 : x
2. Step 2: Convert to fraction form
   15,308.72/22,978.56 = 10,310.48/x
3. Step 3: Cross multiply
   15,308.72x = 22,978.56 × 10,310.48
4. Step 4: Simplify right side
   15,308.72x = 236,919,983.31
5. Step 5: Solve for x
   x = 236,919,983.31/15,308.72
6. Step 6: Final answer
   x = 15,476.15