Finding the Fourth Proportional to 20,801.34, 31,155.30 and 16,088.22

Step by Step Solution

1. Step 1: Write the proportion equation
   20,801.34 : 31,155.30 = 16,088.22 : x
2. Step 2: Convert to fraction form
   20,801.34/31,155.30 = 16,088.22/x
3. Step 3: Cross multiply
   20,801.34x = 31,155.30 × 16,088.22
4. Step 4: Simplify right side
   20,801.34x = 501,233,320.57
5. Step 5: Solve for x
   x = 501,233,320.57/20,801.34
6. Step 6: Final answer
   x = 24,096.20