Finding the Fourth Proportional to 5,003.25, 7,504.98 and 1,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,003.25 : 7,504.98 = 1,540.50 : x
2. Step 2: Convert to fraction form
   5,003.25/7,504.98 = 1,540.50/x
3. Step 3: Cross multiply
   5,003.25x = 7,504.98 × 1,540.50
4. Step 4: Simplify right side
   5,003.25x = 11,561,421.69
5. Step 5: Solve for x
   x = 11,561,421.69/5,003.25
6. Step 6: Final answer
   x = 2,310.78