Finding the Fourth Proportional to 143,223.67, 214,836.72 and 43,391.71

Step by Step Solution

1. Step 1: Write the proportion equation
   143,223.67 : 214,836.72 = 43,391.71 : x
2. Step 2: Convert to fraction form
   143,223.67/214,836.72 = 43,391.71/x
3. Step 3: Cross multiply
   143,223.67x = 214,836.72 × 43,391.71
4. Step 4: Simplify right side
   143,223.67x = 9,322,132,651.59
5. Step 5: Solve for x
   x = 9,322,132,651.59/143,223.67
6. Step 6: Final answer
   x = 65,087.93