Finding the Fourth Proportional to 10,492.08, 15,723.72 and 10,176.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,492.08 : 15,723.72 = 10,176.72 : x
2. Step 2: Convert to fraction form
   10,492.08/15,723.72 = 10,176.72/x
3. Step 3: Cross multiply
   10,492.08x = 15,723.72 × 10,176.72
4. Step 4: Simplify right side
   10,492.08x = 160,015,895.80
5. Step 5: Solve for x
   x = 160,015,895.80/10,492.08
6. Step 6: Final answer
   x = 15,251.11