Finding the Fourth Proportional to 143,115.59, 214,771.81 and 49,621.34

Step by Step Solution

1. Step 1: Write the proportion equation
   143,115.59 : 214,771.81 = 49,621.34 : x
2. Step 2: Convert to fraction form
   143,115.59/214,771.81 = 49,621.34/x
3. Step 3: Cross multiply
   143,115.59x = 214,771.81 × 49,621.34
4. Step 4: Simplify right side
   143,115.59x = 10,657,265,006.43
5. Step 5: Solve for x
   x = 10,657,265,006.43/143,115.59
6. Step 6: Final answer
   x = 74,466.14