Finding the Fourth Proportional to 89,451.42, 123,551.22 and 65,214

Step by Step Solution

1. Step 1: Write the proportion equation
   89,451.42 : 123,551.22 = 65,214 : x
2. Step 2: Convert to fraction form
   89,451.42/123,551.22 = 65,214/x
3. Step 3: Cross multiply
   89,451.42x = 123,551.22 × 65,214
4. Step 4: Simplify right side
   89,451.42x = 8,057,269,261.08
5. Step 5: Solve for x
   x = 8,057,269,261.08/89,451.42
6. Step 6: Final answer
   x = 90,074.25