Finding the Fourth Proportional to 64,898.28, 89,559.52 and 36,603.97

Step by Step Solution

1. Step 1: Write the proportion equation
   64,898.28 : 89,559.52 = 36,603.97 : x
2. Step 2: Convert to fraction form
   64,898.28/89,559.52 = 36,603.97/x
3. Step 3: Cross multiply
   64,898.28x = 89,559.52 × 36,603.97
4. Step 4: Simplify right side
   64,898.28x = 3,278,233,667.89
5. Step 5: Solve for x
   x = 3,278,233,667.89/64,898.28
6. Step 6: Final answer
   x = 50,513.41