Finding the Fourth Proportional to 64,960.47, 89,645.45 and 36,667.98

Step by Step Solution

1. Step 1: Write the proportion equation
   64,960.47 : 89,645.45 = 36,667.98 : x
2. Step 2: Convert to fraction form
   64,960.47/89,645.45 = 36,667.98/x
3. Step 3: Cross multiply
   64,960.47x = 89,645.45 × 36,667.98
4. Step 4: Simplify right side
   64,960.47x = 3,287,117,567.69
5. Step 5: Solve for x
   x = 3,287,117,567.69/64,960.47
6. Step 6: Final answer
   x = 50,601.81