Finding the Fourth Proportional to 143,520.88, 215,282.40 and 50,026.72

Step by Step Solution

1. Step 1: Write the proportion equation
   143,520.88 : 215,282.40 = 50,026.72 : x
2. Step 2: Convert to fraction form
   143,520.88/215,282.40 = 50,026.72/x
3. Step 3: Cross multiply
   143,520.88x = 215,282.40 × 50,026.72
4. Step 4: Simplify right side
   143,520.88x = 10,769,872,345.73
5. Step 5: Solve for x
   x = 10,769,872,345.73/143,520.88
6. Step 6: Final answer
   x = 75,040.46