Finding the Fourth Proportional to 1,673.97, 2,511.99 and 749.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.97 : 2,511.99 = 749.99 : x
2. Step 2: Convert to fraction form
   1,673.97/2,511.99 = 749.99/x
3. Step 3: Cross multiply
   1,673.97x = 2,511.99 × 749.99
4. Step 4: Simplify right side
   1,673.97x = 1,883,954.82
5. Step 5: Solve for x
   x = 1,883,954.82/1,673.97
6. Step 6: Final answer
   x = 1,125.44