Finding the Fourth Proportional to 42,342.69, 63,491.34 and 14,253.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,342.69 : 63,491.34 = 14,253.42 : x
2. Step 2: Convert to fraction form
   42,342.69/63,491.34 = 14,253.42/x
3. Step 3: Cross multiply
   42,342.69x = 63,491.34 × 14,253.42
4. Step 4: Simplify right side
   42,342.69x = 904,968,735.38
5. Step 5: Solve for x
   x = 904,968,735.38/42,342.69
6. Step 6: Final answer
   x = 21,372.49