Finding the Fourth Proportional to 22,475.81, 31,028.28 and 16,419.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,475.81 : 31,028.28 = 16,419.25 : x
2. Step 2: Convert to fraction form
   22,475.81/31,028.28 = 16,419.25/x
3. Step 3: Cross multiply
   22,475.81x = 31,028.28 × 16,419.25
4. Step 4: Simplify right side
   22,475.81x = 509,461,045.34
5. Step 5: Solve for x
   x = 509,461,045.34/22,475.81
6. Step 6: Final answer
   x = 22,667.08