Finding the Fourth Proportional to 22,421.99, 30,945.33 and 14,487.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,421.99 : 30,945.33 = 14,487.30 : x
2. Step 2: Convert to fraction form
   22,421.99/30,945.33 = 14,487.30/x
3. Step 3: Cross multiply
   22,421.99x = 30,945.33 × 14,487.30
4. Step 4: Simplify right side
   22,421.99x = 448,314,279.31
5. Step 5: Solve for x
   x = 448,314,279.31/22,421.99
6. Step 6: Final answer
   x = 19,994.41