Finding the Fourth Proportional to 143,113.34, 214,768.43 and 49,619.09

Step by Step Solution

1. Step 1: Write the proportion equation
   143,113.34 : 214,768.43 = 49,619.09 : x
2. Step 2: Convert to fraction form
   143,113.34/214,768.43 = 49,619.09/x
3. Step 3: Cross multiply
   143,113.34x = 214,768.43 × 49,619.09
4. Step 4: Simplify right side
   143,113.34x = 10,656,614,057.33
5. Step 5: Solve for x
   x = 10,656,614,057.33/143,113.34
6. Step 6: Final answer
   x = 74,462.76