Finding the Fourth Proportional to 143,824.81, 215,834.42 and 50,331.37

Step by Step Solution

1. Step 1: Write the proportion equation
   143,824.81 : 215,834.42 = 50,331.37 : x
2. Step 2: Convert to fraction form
   143,824.81/215,834.42 = 50,331.37/x
3. Step 3: Cross multiply
   143,824.81x = 215,834.42 × 50,331.37
4. Step 4: Simplify right side
   143,824.81x = 10,863,242,051.76
5. Step 5: Solve for x
   x = 10,863,242,051.76/143,824.81
6. Step 6: Final answer
   x = 75,531.07