Finding the Fourth Proportional to 2,503.91, 3,455.26 and 1,559.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.91 : 3,455.26 = 1,559.86 : x
2. Step 2: Convert to fraction form
   2,503.91/3,455.26 = 1,559.86/x
3. Step 3: Cross multiply
   2,503.91x = 3,455.26 × 1,559.86
4. Step 4: Simplify right side
   2,503.91x = 5,389,709.33
5. Step 5: Solve for x
   x = 5,389,709.33/2,503.91
6. Step 6: Final answer
   x = 2,152.52