Finding the Fourth Proportional to 5,885.57, 8,112.32 and 5,729.75

Step by Step Solution

1. Step 1: Write the proportion equation
   5,885.57 : 8,112.32 = 5,729.75 : x
2. Step 2: Convert to fraction form
   5,885.57/8,112.32 = 5,729.75/x
3. Step 3: Cross multiply
   5,885.57x = 8,112.32 × 5,729.75
4. Step 4: Simplify right side
   5,885.57x = 46,481,565.52
5. Step 5: Solve for x
   x = 46,481,565.52/5,885.57
6. Step 6: Final answer
   x = 7,897.55