Finding the Fourth Proportional to 2,588.09, 3,882.59 and 945.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.09 : 3,882.59 = 945.72 : x
2. Step 2: Convert to fraction form
   2,588.09/3,882.59 = 945.72/x
3. Step 3: Cross multiply
   2,588.09x = 3,882.59 × 945.72
4. Step 4: Simplify right side
   2,588.09x = 3,671,845.38
5. Step 5: Solve for x
   x = 3,671,845.38/2,588.09
6. Step 6: Final answer
   x = 1,418.75