Finding the Fourth Proportional to 4,789.90, 7,185.53 and 1,503.25

Step by Step Solution

1. Step 1: Write the proportion equation
   4,789.90 : 7,185.53 = 1,503.25 : x
2. Step 2: Convert to fraction form
   4,789.90/7,185.53 = 1,503.25/x
3. Step 3: Cross multiply
   4,789.90x = 7,185.53 × 1,503.25
4. Step 4: Simplify right side
   4,789.90x = 10,801,645.52
5. Step 5: Solve for x
   x = 10,801,645.52/4,789.90
6. Step 6: Final answer
   x = 2,255.09