Finding the Fourth Proportional to 67,143.76, 100,521.23 and 50,573.59

Step by Step Solution

1. Step 1: Write the proportion equation
   67,143.76 : 100,521.23 = 50,573.59 : x
2. Step 2: Convert to fraction form
   67,143.76/100,521.23 = 50,573.59/x
3. Step 3: Cross multiply
   67,143.76x = 100,521.23 × 50,573.59
4. Step 4: Simplify right side
   67,143.76x = 5,083,718,968.14
5. Step 5: Solve for x
   x = 5,083,718,968.14/67,143.76
6. Step 6: Final answer
   x = 75,713.95