Finding the Fourth Proportional to 3,501.30, 4,831.59 and 2,175.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,501.30 : 4,831.59 = 2,175.12 : x
2. Step 2: Convert to fraction form
   3,501.30/4,831.59 = 2,175.12/x
3. Step 3: Cross multiply
   3,501.30x = 4,831.59 × 2,175.12
4. Step 4: Simplify right side
   3,501.30x = 10,509,288.04
5. Step 5: Solve for x
   x = 10,509,288.04/3,501.30
6. Step 6: Final answer
   x = 3,001.54