Finding the Fourth Proportional to 22,155, 30,539.82 and 14,588.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,155 : 30,539.82 = 14,588.28 : x
2. Step 2: Convert to fraction form
   22,155/30,539.82 = 14,588.28/x
3. Step 3: Cross multiply
   22,155x = 30,539.82 × 14,588.28
4. Step 4: Simplify right side
   22,155x = 445,523,445.31
5. Step 5: Solve for x
   x = 445,523,445.31/22,155
6. Step 6: Final answer
   x = 20,109.39