Finding the Fourth Proportional to 83,233.98, 124,851.24 and 20,904.48

Step by Step Solution

1. Step 1: Write the proportion equation
   83,233.98 : 124,851.24 = 20,904.48 : x
2. Step 2: Convert to fraction form
   83,233.98/124,851.24 = 20,904.48/x
3. Step 3: Cross multiply
   83,233.98x = 124,851.24 × 20,904.48
4. Step 4: Simplify right side
   83,233.98x = 2,609,950,249.56
5. Step 5: Solve for x
   x = 2,609,950,249.56/83,233.98
6. Step 6: Final answer
   x = 31,356.79