Finding the Fourth Proportional to 10,492.05, 15,730.37 and 4,942.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,492.05 : 15,730.37 = 4,942.27 : x
2. Step 2: Convert to fraction form
   10,492.05/15,730.37 = 4,942.27/x
3. Step 3: Cross multiply
   10,492.05x = 15,730.37 × 4,942.27
4. Step 4: Simplify right side
   10,492.05x = 77,743,735.74
5. Step 5: Solve for x
   x = 77,743,735.74/10,492.05
6. Step 6: Final answer
   x = 7,409.78