Finding the Fourth Proportional to 51,819.54, 71,498.88 and 30,601.98

Step by Step Solution

1. Step 1: Write the proportion equation
   51,819.54 : 71,498.88 = 30,601.98 : x
2. Step 2: Convert to fraction form
   51,819.54/71,498.88 = 30,601.98/x
3. Step 3: Cross multiply
   51,819.54x = 71,498.88 × 30,601.98
4. Step 4: Simplify right side
   51,819.54x = 2,188,007,295.78
5. Step 5: Solve for x
   x = 2,188,007,295.78/51,819.54
6. Step 6: Final answer
   x = 42,223.60