Finding the Fourth Proportional to 4,818, 7,227.72 and 1,740.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,818 : 7,227.72 = 1,740.72 : x
2. Step 2: Convert to fraction form
   4,818/7,227.72 = 1,740.72/x
3. Step 3: Cross multiply
   4,818x = 7,227.72 × 1,740.72
4. Step 4: Simplify right side
   4,818x = 12,581,436.76
5. Step 5: Solve for x
   x = 12,581,436.76/4,818
6. Step 6: Final answer
   x = 2,611.34