Finding the Fourth Proportional to 10,456.05, 15,683.98 and 4,612.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,456.05 : 15,683.98 = 4,612.67 : x
2. Step 2: Convert to fraction form
   10,456.05/15,683.98 = 4,612.67/x
3. Step 3: Cross multiply
   10,456.05x = 15,683.98 × 4,612.67
4. Step 4: Simplify right side
   10,456.05x = 72,345,024.03
5. Step 5: Solve for x
   x = 72,345,024.03/10,456.05
6. Step 6: Final answer
   x = 6,918.96