Finding the Fourth Proportional to 10,456.32, 15,688.56 and 4,608.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,456.32 : 15,688.56 = 4,608.82 : x
2. Step 2: Convert to fraction form
   10,456.32/15,688.56 = 4,608.82/x
3. Step 3: Cross multiply
   10,456.32x = 15,688.56 × 4,608.82
4. Step 4: Simplify right side
   10,456.32x = 72,305,749.10
5. Step 5: Solve for x
   x = 72,305,749.10/10,456.32
6. Step 6: Final answer
   x = 6,915.03