Finding the Fourth Proportional to 15,991.32, 22,065.72 and 9,092.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,991.32 : 22,065.72 = 9,092.25 : x
2. Step 2: Convert to fraction form
   15,991.32/22,065.72 = 9,092.25/x
3. Step 3: Cross multiply
   15,991.32x = 22,065.72 × 9,092.25
4. Step 4: Simplify right side
   15,991.32x = 200,627,008.57
5. Step 5: Solve for x
   x = 200,627,008.57/15,991.32
6. Step 6: Final answer
   x = 12,545.99