Finding the Fourth Proportional to 142,424.18, 213,665.09 and 63,538.41

Step by Step Solution

1. Step 1: Write the proportion equation
   142,424.18 : 213,665.09 = 63,538.41 : x
2. Step 2: Convert to fraction form
   142,424.18/213,665.09 = 63,538.41/x
3. Step 3: Cross multiply
   142,424.18x = 213,665.09 × 63,538.41
4. Step 4: Simplify right side
   142,424.18x = 13,575,939,773.41
5. Step 5: Solve for x
   x = 13,575,939,773.41/142,424.18
6. Step 6: Final answer
   x = 95,320.47