Finding the Fourth Proportional to 2,709.31, 4,064.40 and 1,149.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709.31 : 4,064.40 = 1,149.33 : x
2. Step 2: Convert to fraction form
   2,709.31/4,064.40 = 1,149.33/x
3. Step 3: Cross multiply
   2,709.31x = 4,064.40 × 1,149.33
4. Step 4: Simplify right side
   2,709.31x = 4,671,321.61
5. Step 5: Solve for x
   x = 4,671,321.61/2,709.31
6. Step 6: Final answer
   x = 1,724.17