Finding the Fourth Proportional to 22,152.76, 30,570.04 and 12,081.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,152.76 : 30,570.04 = 12,081.12 : x
2. Step 2: Convert to fraction form
   22,152.76/30,570.04 = 12,081.12/x
3. Step 3: Cross multiply
   22,152.76x = 30,570.04 × 12,081.12
4. Step 4: Simplify right side
   22,152.76x = 369,320,321.64
5. Step 5: Solve for x
   x = 369,320,321.64/22,152.76
6. Step 6: Final answer
   x = 16,671.53