Finding the Fourth Proportional to 22,152.31, 30,570.08 and 12,080.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,152.31 : 30,570.08 = 12,080.57 : x
2. Step 2: Convert to fraction form
   22,152.31/30,570.08 = 12,080.57/x
3. Step 3: Cross multiply
   22,152.31x = 30,570.08 × 12,080.57
4. Step 4: Simplify right side
   22,152.31x = 369,303,778.09
5. Step 5: Solve for x
   x = 369,303,778.09/22,152.31
6. Step 6: Final answer
   x = 16,671.12