Finding the Fourth Proportional to 72,599.40, 108,833.34 and 50,423.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,599.40 : 108,833.34 = 50,423.24 : x
2. Step 2: Convert to fraction form
   72,599.40/108,833.34 = 50,423.24/x
3. Step 3: Cross multiply
   72,599.40x = 108,833.34 × 50,423.24
4. Step 4: Simplify right side
   72,599.40x = 5,487,729,622.82
5. Step 5: Solve for x
   x = 5,487,729,622.82/72,599.40
6. Step 6: Final answer
   x = 75,589.19