Finding the Fourth Proportional to 11,492.92, 15,861.95 and 7,019.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,492.92 : 15,861.95 = 7,019.25 : x
2. Step 2: Convert to fraction form
   11,492.92/15,861.95 = 7,019.25/x
3. Step 3: Cross multiply
   11,492.92x = 15,861.95 × 7,019.25
4. Step 4: Simplify right side
   11,492.92x = 111,338,992.54
5. Step 5: Solve for x
   x = 111,338,992.54/11,492.92
6. Step 6: Final answer
   x = 9,687.62