Finding the Fourth Proportional to 2,112.08, 2,911.75 and 1,758.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.08 : 2,911.75 = 1,758.51 : x
2. Step 2: Convert to fraction form
   2,112.08/2,911.75 = 1,758.51/x
3. Step 3: Cross multiply
   2,112.08x = 2,911.75 × 1,758.51
4. Step 4: Simplify right side
   2,112.08x = 5,120,337.10
5. Step 5: Solve for x
   x = 5,120,337.10/2,112.08
6. Step 6: Final answer
   x = 2,424.32