Finding the Fourth Proportional to 143,048.63, 214,573.05 and 49,554.38

Step by Step Solution

1. Step 1: Write the proportion equation
   143,048.63 : 214,573.05 = 49,554.38 : x
2. Step 2: Convert to fraction form
   143,048.63/214,573.05 = 49,554.38/x
3. Step 3: Cross multiply
   143,048.63x = 214,573.05 × 49,554.38
4. Step 4: Simplify right side
   143,048.63x = 10,633,034,993.89
5. Step 5: Solve for x
   x = 10,633,034,993.89/143,048.63
6. Step 6: Final answer
   x = 74,331.61