Finding the Fourth Proportional to 72,760.62, 100,408.17 and 42,563.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,760.62 : 100,408.17 = 42,563.82 : x
2. Step 2: Convert to fraction form
   72,760.62/100,408.17 = 42,563.82/x
3. Step 3: Cross multiply
   72,760.62x = 100,408.17 × 42,563.82
4. Step 4: Simplify right side
   72,760.62x = 4,273,755,274.41
5. Step 5: Solve for x
   x = 4,273,755,274.41/72,760.62
6. Step 6: Final answer
   x = 58,737.20