Finding the Fourth Proportional to 143,823.31, 215,832.17 and 50,329.87

Step by Step Solution

1. Step 1: Write the proportion equation
   143,823.31 : 215,832.17 = 50,329.87 : x
2. Step 2: Convert to fraction form
   143,823.31/215,832.17 = 50,329.87/x
3. Step 3: Cross multiply
   143,823.31x = 215,832.17 × 50,329.87
4. Step 4: Simplify right side
   143,823.31x = 10,862,804,806.27
5. Step 5: Solve for x
   x = 10,862,804,806.27/143,823.31
6. Step 6: Final answer
   x = 75,528.82