Finding the Fourth Proportional to 11,492.62, 15,861.55 and 7,018.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,492.62 : 15,861.55 = 7,018.98 : x
2. Step 2: Convert to fraction form
   11,492.62/15,861.55 = 7,018.98/x
3. Step 3: Cross multiply
   11,492.62x = 15,861.55 × 7,018.98
4. Step 4: Simplify right side
   11,492.62x = 111,331,902.22
5. Step 5: Solve for x
   x = 111,331,902.22/11,492.62
6. Step 6: Final answer
   x = 9,687.25