Finding the Fourth Proportional to 3,501.59, 4,831.76 and 2,009.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,501.59 : 4,831.76 = 2,009.30 : x
2. Step 2: Convert to fraction form
   3,501.59/4,831.76 = 2,009.30/x
3. Step 3: Cross multiply
   3,501.59x = 4,831.76 × 2,009.30
4. Step 4: Simplify right side
   3,501.59x = 9,708,445.32
5. Step 5: Solve for x
   x = 9,708,445.32/3,501.59
6. Step 6: Final answer
   x = 2,772.58