Finding the Fourth Proportional to 22,167.54, 30,595.01 and 21,171.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,167.54 : 30,595.01 = 21,171.06 : x
2. Step 2: Convert to fraction form
   22,167.54/30,595.01 = 21,171.06/x
3. Step 3: Cross multiply
   22,167.54x = 30,595.01 × 21,171.06
4. Step 4: Simplify right side
   22,167.54x = 647,728,686.56
5. Step 5: Solve for x
   x = 647,728,686.56/22,167.54
6. Step 6: Final answer
   x = 29,219.69