Finding the Fourth Proportional to 72,826.61, 100,503.41 and 40,562.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,826.61 : 100,503.41 = 40,562.42 : x
2. Step 2: Convert to fraction form
   72,826.61/100,503.41 = 40,562.42/x
3. Step 3: Cross multiply
   72,826.61x = 100,503.41 × 40,562.42
4. Step 4: Simplify right side
   72,826.61x = 4,076,660,822.52
5. Step 5: Solve for x
   x = 4,076,660,822.52/72,826.61
6. Step 6: Final answer
   x = 55,977.63