Finding the Fourth Proportional to 2,329.31, 3,214.31 and 1,267.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,329.31 : 3,214.31 = 1,267.07 : x
2. Step 2: Convert to fraction form
   2,329.31/3,214.31 = 1,267.07/x
3. Step 3: Cross multiply
   2,329.31x = 3,214.31 × 1,267.07
4. Step 4: Simplify right side
   2,329.31x = 4,072,739.39
5. Step 5: Solve for x
   x = 4,072,739.39/2,329.31
6. Step 6: Final answer
   x = 1,748.47