Finding the Fourth Proportional to 2,503.46, 3,453.91 and 1,558.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.46 : 3,453.91 = 1,558.70 : x
2. Step 2: Convert to fraction form
   2,503.46/3,453.91 = 1,558.70/x
3. Step 3: Cross multiply
   2,503.46x = 3,453.91 × 1,558.70
4. Step 4: Simplify right side
   2,503.46x = 5,383,614.26
5. Step 5: Solve for x
   x = 5,383,614.26/2,503.46
6. Step 6: Final answer
   x = 2,150.47