Finding the Fourth Proportional to 22,007.50, 30,370.35 and 12,071.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,007.50 : 30,370.35 = 12,071.50 : x
2. Step 2: Convert to fraction form
   22,007.50/30,370.35 = 12,071.50/x
3. Step 3: Cross multiply
   22,007.50x = 30,370.35 × 12,071.50
4. Step 4: Simplify right side
   22,007.50x = 366,615,680.03
5. Step 5: Solve for x
   x = 366,615,680.03/22,007.50
6. Step 6: Final answer
   x = 16,658.67