Finding the Fourth Proportional to 143,164.81, 214,730.79 and 37,991.98

Step by Step Solution

1. Step 1: Write the proportion equation
   143,164.81 : 214,730.79 = 37,991.98 : x
2. Step 2: Convert to fraction form
   143,164.81/214,730.79 = 37,991.98/x
3. Step 3: Cross multiply
   143,164.81x = 214,730.79 × 37,991.98
4. Step 4: Simplify right side
   143,164.81x = 8,158,047,879.06
5. Step 5: Solve for x
   x = 8,158,047,879.06/143,164.81
6. Step 6: Final answer
   x = 56,983.61