Finding the Fourth Proportional to 22,868.06, 31,554.90 and 14,921.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,868.06 : 31,554.90 = 14,921.01 : x
2. Step 2: Convert to fraction form
   22,868.06/31,554.90 = 14,921.01/x
3. Step 3: Cross multiply
   22,868.06x = 31,554.90 × 14,921.01
4. Step 4: Simplify right side
   22,868.06x = 470,830,978.45
5. Step 5: Solve for x
   x = 470,830,978.45/22,868.06
6. Step 6: Final answer
   x = 20,589.03