Finding the Fourth Proportional to 3,439.06, 4,743.95 and 2,111.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,439.06 : 4,743.95 = 2,111.83 : x
2. Step 2: Convert to fraction form
   3,439.06/4,743.95 = 2,111.83/x
3. Step 3: Cross multiply
   3,439.06x = 4,743.95 × 2,111.83
4. Step 4: Simplify right side
   3,439.06x = 10,018,393.51
5. Step 5: Solve for x
   x = 10,018,393.51/3,439.06
6. Step 6: Final answer
   x = 2,913.12