Finding the Fourth Proportional to 11,492.25, 17,227.98 and 7,983.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,492.25 : 17,227.98 = 7,983.90 : x
2. Step 2: Convert to fraction form
   11,492.25/17,227.98 = 7,983.90/x
3. Step 3: Cross multiply
   11,492.25x = 17,227.98 × 7,983.90
4. Step 4: Simplify right side
   11,492.25x = 137,546,429.60
5. Step 5: Solve for x
   x = 137,546,429.60/11,492.25
6. Step 6: Final answer
   x = 11,968.62