Finding the Fourth Proportional to 200,408.18, 276,563.56 and 108,527.62

Step by Step Solution

1. Step 1: Write the proportion equation
   200,408.18 : 276,563.56 = 108,527.62 : x
2. Step 2: Convert to fraction form
   200,408.18/276,563.56 = 108,527.62/x
3. Step 3: Cross multiply
   200,408.18x = 276,563.56 × 108,527.62
4. Step 4: Simplify right side
   200,408.18x = 30,014,784,945.53
5. Step 5: Solve for x
   x = 30,014,784,945.53/200,408.18
6. Step 6: Final answer
   x = 149,768.26