Finding the Fourth Proportional to 3,501.25, 4,831.86 and 1,929.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,501.25 : 4,831.86 = 1,929.31 : x
2. Step 2: Convert to fraction form
   3,501.25/4,831.86 = 1,929.31/x
3. Step 3: Cross multiply
   3,501.25x = 4,831.86 × 1,929.31
4. Step 4: Simplify right side
   3,501.25x = 9,322,155.82
5. Step 5: Solve for x
   x = 9,322,155.82/3,501.25
6. Step 6: Final answer
   x = 2,662.52