Finding the Fourth Proportional to 163,584.72, 245,377.20 and 51,273.72

Step by Step Solution

1. Step 1: Write the proportion equation
   163,584.72 : 245,377.20 = 51,273.72 : x
2. Step 2: Convert to fraction form
   163,584.72/245,377.20 = 51,273.72/x
3. Step 3: Cross multiply
   163,584.72x = 245,377.20 × 51,273.72
4. Step 4: Simplify right side
   163,584.72x = 12,581,401,847.18
5. Step 5: Solve for x
   x = 12,581,401,847.18/163,584.72
6. Step 6: Final answer
   x = 76,910.62