Finding the Fourth Proportional to 7,906.72, 11,842.60 and 5,124.97

Step by Step Solution

1. Step 1: Write the proportion equation
   7,906.72 : 11,842.60 = 5,124.97 : x
2. Step 2: Convert to fraction form
   7,906.72/11,842.60 = 5,124.97/x
3. Step 3: Cross multiply
   7,906.72x = 11,842.60 × 5,124.97
4. Step 4: Simplify right side
   7,906.72x = 60,692,969.72
5. Step 5: Solve for x
   x = 60,692,969.72/7,906.72
6. Step 6: Final answer
   x = 7,676.12