Finding the Fourth Proportional to 143,111.34, 214,765.43 and 49,617.09

Step by Step Solution

1. Step 1: Write the proportion equation
   143,111.34 : 214,765.43 = 49,617.09 : x
2. Step 2: Convert to fraction form
   143,111.34/214,765.43 = 49,617.09/x
3. Step 3: Cross multiply
   143,111.34x = 214,765.43 × 49,617.09
4. Step 4: Simplify right side
   143,111.34x = 10,656,035,282.08
5. Step 5: Solve for x
   x = 10,656,035,282.08/143,111.34
6. Step 6: Final answer
   x = 74,459.76