Finding the Fourth Proportional to 5,885.63, 8,831.69 and 3,578.75

Step by Step Solution

1. Step 1: Write the proportion equation
   5,885.63 : 8,831.69 = 3,578.75 : x
2. Step 2: Convert to fraction form
   5,885.63/8,831.69 = 3,578.75/x
3. Step 3: Cross multiply
   5,885.63x = 8,831.69 × 3,578.75
4. Step 4: Simplify right side
   5,885.63x = 31,606,392.69
5. Step 5: Solve for x
   x = 31,606,392.69/5,885.63
6. Step 6: Final answer
   x = 5,370.10