Finding the Fourth Proportional to 5,805.51, 8,687.42 and 5,028.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,805.51 : 8,687.42 = 5,028.15 : x
2. Step 2: Convert to fraction form
   5,805.51/8,687.42 = 5,028.15/x
3. Step 3: Cross multiply
   5,805.51x = 8,687.42 × 5,028.15
4. Step 4: Simplify right side
   5,805.51x = 43,681,650.87
5. Step 5: Solve for x
   x = 43,681,650.87/5,805.51
6. Step 6: Final answer
   x = 7,524.17