Finding the Fourth Proportional to 72,092.72, 99,488.16 and 40,262.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,092.72 : 99,488.16 = 40,262.82 : x
2. Step 2: Convert to fraction form
   72,092.72/99,488.16 = 40,262.82/x
3. Step 3: Cross multiply
   72,092.72x = 99,488.16 × 40,262.82
4. Step 4: Simplify right side
   72,092.72x = 4,005,673,878.21
5. Step 5: Solve for x
   x = 4,005,673,878.21/72,092.72
6. Step 6: Final answer
   x = 55,562.81