Finding the Fourth Proportional to 3,518.76, 5,276.43 and 1,052.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,518.76 : 5,276.43 = 1,052.73 : x
2. Step 2: Convert to fraction form
   3,518.76/5,276.43 = 1,052.73/x
3. Step 3: Cross multiply
   3,518.76x = 5,276.43 × 1,052.73
4. Step 4: Simplify right side
   3,518.76x = 5,554,656.15
5. Step 5: Solve for x
   x = 5,554,656.15/3,518.76
6. Step 6: Final answer
   x = 1,578.58