Finding the Fourth Proportional to 143,142.80, 214,697.79 and 37,969.97

Step by Step Solution

1. Step 1: Write the proportion equation
   143,142.80 : 214,697.79 = 37,969.97 : x
2. Step 2: Convert to fraction form
   143,142.80/214,697.79 = 37,969.97/x
3. Step 3: Cross multiply
   143,142.80x = 214,697.79 × 37,969.97
4. Step 4: Simplify right side
   143,142.80x = 8,152,067,571.88
5. Step 5: Solve for x
   x = 8,152,067,571.88/143,142.80
6. Step 6: Final answer
   x = 56,950.60