Finding the Fourth Proportional to 74,401.98, 111,603.86 and 21,812.54

Step by Step Solution

1. Step 1: Write the proportion equation
   74,401.98 : 111,603.86 = 21,812.54 : x
2. Step 2: Convert to fraction form
   74,401.98/111,603.86 = 21,812.54/x
3. Step 3: Cross multiply
   74,401.98x = 111,603.86 × 21,812.54
4. Step 4: Simplify right side
   74,401.98x = 2,434,363,660.40
5. Step 5: Solve for x
   x = 2,434,363,660.40/74,401.98
6. Step 6: Final answer
   x = 32,719.07