Finding the Fourth Proportional to 74,264.97, 111,401.24 and 21,678.42

Step by Step Solution

1. Step 1: Write the proportion equation
   74,264.97 : 111,401.24 = 21,678.42 : x
2. Step 2: Convert to fraction form
   74,264.97/111,401.24 = 21,678.42/x
3. Step 3: Cross multiply
   74,264.97x = 111,401.24 × 21,678.42
4. Step 4: Simplify right side
   74,264.97x = 2,415,002,760.85
5. Step 5: Solve for x
   x = 2,415,002,760.85/74,264.97
6. Step 6: Final answer
   x = 32,518.73