Finding the Fourth Proportional to 2,111.34, 3,181.31 and 1,754.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.34 : 3,181.31 = 1,754.13 : x
2. Step 2: Convert to fraction form
   2,111.34/3,181.31 = 1,754.13/x
3. Step 3: Cross multiply
   2,111.34x = 3,181.31 × 1,754.13
4. Step 4: Simplify right side
   2,111.34x = 5,580,422.54
5. Step 5: Solve for x
   x = 5,580,422.54/2,111.34
6. Step 6: Final answer
   x = 2,643.07