Finding the Fourth Proportional to 14,384.72, 19,848.44 and 13,222.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,384.72 : 19,848.44 = 13,222.05 : x
2. Step 2: Convert to fraction form
   14,384.72/19,848.44 = 13,222.05/x
3. Step 3: Cross multiply
   14,384.72x = 19,848.44 × 13,222.05
4. Step 4: Simplify right side
   14,384.72x = 262,437,066.10
5. Step 5: Solve for x
   x = 262,437,066.10/14,384.72
6. Step 6: Final answer
   x = 18,244.16