Finding the Fourth Proportional to 3,518.91, 5,277.59 and 1,053.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,518.91 : 5,277.59 = 1,053.41 : x
2. Step 2: Convert to fraction form
   3,518.91/5,277.59 = 1,053.41/x
3. Step 3: Cross multiply
   3,518.91x = 5,277.59 × 1,053.41
4. Step 4: Simplify right side
   3,518.91x = 5,559,434.43
5. Step 5: Solve for x
   x = 5,559,434.43/3,518.91
6. Step 6: Final answer
   x = 1,579.87