Finding the Fourth Proportional to 2,698.63, 4,047.41 and 750.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.63 : 4,047.41 = 750.31 : x
2. Step 2: Convert to fraction form
   2,698.63/4,047.41 = 750.31/x
3. Step 3: Cross multiply
   2,698.63x = 4,047.41 × 750.31
4. Step 4: Simplify right side
   2,698.63x = 3,036,808.45
5. Step 5: Solve for x
   x = 3,036,808.45/2,698.63
6. Step 6: Final answer
   x = 1,125.31