Finding the Fourth Proportional to 3,411.12, 5,116.56 and 1,881.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.12 : 5,116.56 = 1,881.84 : x
2. Step 2: Convert to fraction form
   3,411.12/5,116.56 = 1,881.84/x
3. Step 3: Cross multiply
   3,411.12x = 5,116.56 × 1,881.84
4. Step 4: Simplify right side
   3,411.12x = 9,628,547.27
5. Step 5: Solve for x
   x = 9,628,547.27/3,411.12
6. Step 6: Final answer
   x = 2,822.69