Finding the Fourth Proportional to 14,493.50, 19,851.17 and 13,642.39

Step by Step Solution

1. Step 1: Write the proportion equation
   14,493.50 : 19,851.17 = 13,642.39 : x
2. Step 2: Convert to fraction form
   14,493.50/19,851.17 = 13,642.39/x
3. Step 3: Cross multiply
   14,493.50x = 19,851.17 × 13,642.39
4. Step 4: Simplify right side
   14,493.50x = 270,817,285.26
5. Step 5: Solve for x
   x = 270,817,285.26/14,493.50
6. Step 6: Final answer
   x = 18,685.44