Finding the Fourth Proportional to 59,420.56, 89,138.12 and 21,974.28

Step by Step Solution

1. Step 1: Write the proportion equation
   59,420.56 : 89,138.12 = 21,974.28 : x
2. Step 2: Convert to fraction form
   59,420.56/89,138.12 = 21,974.28/x
3. Step 3: Cross multiply
   59,420.56x = 89,138.12 × 21,974.28
4. Step 4: Simplify right side
   59,420.56x = 1,958,746,007.55
5. Step 5: Solve for x
   x = 1,958,746,007.55/59,420.56
6. Step 6: Final answer
   x = 32,964.11