Finding the Fourth Proportional to 143,047.28, 214,571.10 and 49,553.02

Step by Step Solution

1. Step 1: Write the proportion equation
   143,047.28 : 214,571.10 = 49,553.02 : x
2. Step 2: Convert to fraction form
   143,047.28/214,571.10 = 49,553.02/x
3. Step 3: Cross multiply
   143,047.28x = 214,571.10 × 49,553.02
4. Step 4: Simplify right side
   143,047.28x = 10,632,646,009.72
5. Step 5: Solve for x
   x = 10,632,646,009.72/143,047.28
6. Step 6: Final answer
   x = 74,329.59