Finding the Fourth Proportional to 143,150.10, 214,725.15 and 49,665.30

Step by Step Solution

1. Step 1: Write the proportion equation
   143,150.10 : 214,725.15 = 49,665.30 : x
2. Step 2: Convert to fraction form
   143,150.10/214,725.15 = 49,665.30/x
3. Step 3: Cross multiply
   143,150.10x = 214,725.15 × 49,665.30
4. Step 4: Simplify right side
   143,150.10x = 10,664,388,992.30
5. Step 5: Solve for x
   x = 10,664,388,992.30/143,150.10
6. Step 6: Final answer
   x = 74,497.95