Finding the Fourth Proportional to 10,538.94, 15,816.18 and 4,992.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,538.94 : 15,816.18 = 4,992.27 : x
2. Step 2: Convert to fraction form
   10,538.94/15,816.18 = 4,992.27/x
3. Step 3: Cross multiply
   10,538.94x = 15,816.18 × 4,992.27
4. Step 4: Simplify right side
   10,538.94x = 78,958,640.93
5. Step 5: Solve for x
   x = 78,958,640.93/10,538.94
6. Step 6: Final answer
   x = 7,492.09