Finding the Fourth Proportional to 5,859.38, 8,085.75 and 3,500.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,859.38 : 8,085.75 = 3,500.12 : x
2. Step 2: Convert to fraction form
   5,859.38/8,085.75 = 3,500.12/x
3. Step 3: Cross multiply
   5,859.38x = 8,085.75 × 3,500.12
4. Step 4: Simplify right side
   5,859.38x = 28,301,095.29
5. Step 5: Solve for x
   x = 28,301,095.29/5,859.38
6. Step 6: Final answer
   x = 4,830.05