Finding the Fourth Proportional to 92,992.72, 139,490.66 and 40,402.22

Step by Step Solution

1. Step 1: Write the proportion equation
   92,992.72 : 139,490.66 = 40,402.22 : x
2. Step 2: Convert to fraction form
   92,992.72/139,490.66 = 40,402.22/x
3. Step 3: Cross multiply
   92,992.72x = 139,490.66 × 40,402.22
4. Step 4: Simplify right side
   92,992.72x = 5,635,732,333.27
5. Step 5: Solve for x
   x = 5,635,732,333.27/92,992.72
6. Step 6: Final answer
   x = 60,604.02