Finding the Fourth Proportional to 12,083.31, 18,122.91 and 3,316.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,083.31 : 18,122.91 = 3,316.17 : x
2. Step 2: Convert to fraction form
   12,083.31/18,122.91 = 3,316.17/x
3. Step 3: Cross multiply
   12,083.31x = 18,122.91 × 3,316.17
4. Step 4: Simplify right side
   12,083.31x = 60,098,650.45
5. Step 5: Solve for x
   x = 60,098,650.45/12,083.31
6. Step 6: Final answer
   x = 4,973.69