Finding the Fourth Proportional to 22,081.75, 30,472.83 and 12,145.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,081.75 : 30,472.83 = 12,145.75 : x
2. Step 2: Convert to fraction form
   22,081.75/30,472.83 = 12,145.75/x
3. Step 3: Cross multiply
   22,081.75x = 30,472.83 × 12,145.75
4. Step 4: Simplify right side
   22,081.75x = 370,115,374.97
5. Step 5: Solve for x
   x = 370,115,374.97/22,081.75
6. Step 6: Final answer
   x = 16,761.14