Finding the Fourth Proportional to 72,753.39, 100,398.69 and 40,922.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,753.39 : 100,398.69 = 40,922.31 : x
2. Step 2: Convert to fraction form
   72,753.39/100,398.69 = 40,922.31/x
3. Step 3: Cross multiply
   72,753.39x = 100,398.69 × 40,922.31
4. Step 4: Simplify right side
   72,753.39x = 4,108,546,692.27
5. Step 5: Solve for x
   x = 4,108,546,692.27/72,753.39
6. Step 6: Final answer
   x = 56,472.24