Finding the Fourth Proportional to 2,308.91, 3,187.22 and 1,749.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.91 : 3,187.22 = 1,749.51 : x
2. Step 2: Convert to fraction form
   2,308.91/3,187.22 = 1,749.51/x
3. Step 3: Cross multiply
   2,308.91x = 3,187.22 × 1,749.51
4. Step 4: Simplify right side
   2,308.91x = 5,576,064.51
5. Step 5: Solve for x
   x = 5,576,064.51/2,308.91
6. Step 6: Final answer
   x = 2,415.03