Finding the Fourth Proportional to 2,748.30, 4,121.55 and 1,016.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.30 : 4,121.55 = 1,016.70 : x
2. Step 2: Convert to fraction form
   2,748.30/4,121.55 = 1,016.70/x
3. Step 3: Cross multiply
   2,748.30x = 4,121.55 × 1,016.70
4. Step 4: Simplify right side
   2,748.30x = 4,190,379.89
5. Step 5: Solve for x
   x = 4,190,379.89/2,748.30
6. Step 6: Final answer
   x = 1,524.72