Finding the Fourth Proportional to 14,022.48, 19,387.98 and 13,402.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,022.48 : 19,387.98 = 13,402.83 : x
2. Step 2: Convert to fraction form
   14,022.48/19,387.98 = 13,402.83/x
3. Step 3: Cross multiply
   14,022.48x = 19,387.98 × 13,402.83
4. Step 4: Simplify right side
   14,022.48x = 259,853,799.98
5. Step 5: Solve for x
   x = 259,853,799.98/14,022.48
6. Step 6: Final answer
   x = 18,531.23