Finding the Fourth Proportional to 22,147.90, 30,563.31 and 12,076.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,147.90 : 30,563.31 = 12,076.18 : x
2. Step 2: Convert to fraction form
   22,147.90/30,563.31 = 12,076.18/x
3. Step 3: Cross multiply
   22,147.90x = 30,563.31 × 12,076.18
4. Step 4: Simplify right side
   22,147.90x = 369,088,032.96
5. Step 5: Solve for x
   x = 369,088,032.96/22,147.90
6. Step 6: Final answer
   x = 16,664.70