Finding the Fourth Proportional to 17,499.78, 26,245.77 and 5,019.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,499.78 : 26,245.77 = 5,019.75 : x
2. Step 2: Convert to fraction form
   17,499.78/26,245.77 = 5,019.75/x
3. Step 3: Cross multiply
   17,499.78x = 26,245.77 × 5,019.75
4. Step 4: Simplify right side
   17,499.78x = 131,747,203.96
5. Step 5: Solve for x
   x = 131,747,203.96/17,499.78
6. Step 6: Final answer
   x = 7,528.51