Finding the Fourth Proportional to 22,087.50, 30,480.75 and 12,151.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,087.50 : 30,480.75 = 12,151.50 : x
2. Step 2: Convert to fraction form
   22,087.50/30,480.75 = 12,151.50/x
3. Step 3: Cross multiply
   22,087.50x = 30,480.75 × 12,151.50
4. Step 4: Simplify right side
   22,087.50x = 370,386,833.63
5. Step 5: Solve for x
   x = 370,386,833.63/22,087.50
6. Step 6: Final answer
   x = 16,769.07