Finding the Fourth Proportional to 22,245.72, 30,699.18 and 14,288.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,245.72 : 30,699.18 = 14,288.01 : x
2. Step 2: Convert to fraction form
   22,245.72/30,699.18 = 14,288.01/x
3. Step 3: Cross multiply
   22,245.72x = 30,699.18 × 14,288.01
4. Step 4: Simplify right side
   22,245.72x = 438,630,190.83
5. Step 5: Solve for x
   x = 438,630,190.83/22,245.72
6. Step 6: Final answer
   x = 19,717.51