Finding the Fourth Proportional to 143,417.78, 215,224.68 and 49,923.53

Step by Step Solution

1. Step 1: Write the proportion equation
   143,417.78 : 215,224.68 = 49,923.53 : x
2. Step 2: Convert to fraction form
   143,417.78/215,224.68 = 49,923.53/x
3. Step 3: Cross multiply
   143,417.78x = 215,224.68 × 49,923.53
4. Step 4: Simplify right side
   143,417.78x = 10,744,775,768.72
5. Step 5: Solve for x
   x = 10,744,775,768.72/143,417.78
6. Step 6: Final answer
   x = 74,919.41