Finding the Fourth Proportional to 143,570.14, 215,385.98 and 43,738.37

Step by Step Solution

1. Step 1: Write the proportion equation
   143,570.14 : 215,385.98 = 43,738.37 : x
2. Step 2: Convert to fraction form
   143,570.14/215,385.98 = 43,738.37/x
3. Step 3: Cross multiply
   143,570.14x = 215,385.98 × 43,738.37
4. Step 4: Simplify right side
   143,570.14x = 9,420,632,005.83
5. Step 5: Solve for x
   x = 9,420,632,005.83/143,570.14
6. Step 6: Final answer
   x = 65,616.93