Finding the Fourth Proportional to 143,521.88, 215,283.90 and 50,027.72

Step by Step Solution

1. Step 1: Write the proportion equation
   143,521.88 : 215,283.90 = 50,027.72 : x
2. Step 2: Convert to fraction form
   143,521.88/215,283.90 = 50,027.72/x
3. Step 3: Cross multiply
   143,521.88x = 215,283.90 × 50,027.72
4. Step 4: Simplify right side
   143,521.88x = 10,770,162,669.71
5. Step 5: Solve for x
   x = 10,770,162,669.71/143,521.88
6. Step 6: Final answer
   x = 75,041.96