Finding the Fourth Proportional to 12,092.82, 18,146.24 and 5,072.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,092.82 : 18,146.24 = 5,072.21 : x
2. Step 2: Convert to fraction form
   12,092.82/18,146.24 = 5,072.21/x
3. Step 3: Cross multiply
   12,092.82x = 18,146.24 × 5,072.21
4. Step 4: Simplify right side
   12,092.82x = 92,041,579.02
5. Step 5: Solve for x
   x = 92,041,579.02/12,092.82
6. Step 6: Final answer
   x = 7,611.26