Finding the Fourth Proportional to 22,155.31, 30,574.21 and 12,083.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,155.31 : 30,574.21 = 12,083.57 : x
2. Step 2: Convert to fraction form
   22,155.31/30,574.21 = 12,083.57/x
3. Step 3: Cross multiply
   22,155.31x = 30,574.21 × 12,083.57
4. Step 4: Simplify right side
   22,155.31x = 369,445,606.73
5. Step 5: Solve for x
   x = 369,445,606.73/22,155.31
6. Step 6: Final answer
   x = 16,675.26