Finding the Fourth Proportional to 2,308, 3,462 and 749.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308 : 3,462 = 749.31 : x
2. Step 2: Convert to fraction form
   2,308/3,462 = 749.31/x
3. Step 3: Cross multiply
   2,308x = 3,462 × 749.31
4. Step 4: Simplify right side
   2,308x = 2,594,111.22
5. Step 5: Solve for x
   x = 2,594,111.22/2,308
6. Step 6: Final answer
   x = 1,123.97