Finding the Fourth Proportional to 90,322.38, 135,487.89 and 43,614.54

Step by Step Solution

1. Step 1: Write the proportion equation
   90,322.38 : 135,487.89 = 43,614.54 : x
2. Step 2: Convert to fraction form
   90,322.38/135,487.89 = 43,614.54/x
3. Step 3: Cross multiply
   90,322.38x = 135,487.89 × 43,614.54
4. Step 4: Simplify right side
   90,322.38x = 5,909,241,997.92
5. Step 5: Solve for x
   x = 5,909,241,997.92/90,322.38
6. Step 6: Final answer
   x = 65,423.90