Finding the Fourth Proportional to 17,559.12, 26,334.78 and 5,076.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,559.12 : 26,334.78 = 5,076.42 : x
2. Step 2: Convert to fraction form
   17,559.12/26,334.78 = 5,076.42/x
3. Step 3: Cross multiply
   17,559.12x = 26,334.78 × 5,076.42
4. Step 4: Simplify right side
   17,559.12x = 133,686,403.89
5. Step 5: Solve for x
   x = 133,686,403.89/17,559.12
6. Step 6: Final answer
   x = 7,613.50