Finding the Fourth Proportional to 3,435.86, 4,743.96 and 2,111.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,435.86 : 4,743.96 = 2,111.34 : x
2. Step 2: Convert to fraction form
   3,435.86/4,743.96 = 2,111.34/x
3. Step 3: Cross multiply
   3,435.86x = 4,743.96 × 2,111.34
4. Step 4: Simplify right side
   3,435.86x = 10,016,112.51
5. Step 5: Solve for x
   x = 10,016,112.51/3,435.86
6. Step 6: Final answer
   x = 2,915.17