Finding the Fourth Proportional to 2,588.47, 3,882.71 and 945.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.47 : 3,882.71 = 945.02 : x
2. Step 2: Convert to fraction form
   2,588.47/3,882.71 = 945.02/x
3. Step 3: Cross multiply
   2,588.47x = 3,882.71 × 945.02
4. Step 4: Simplify right side
   2,588.47x = 3,669,250.67
5. Step 5: Solve for x
   x = 3,669,250.67/2,588.47
6. Step 6: Final answer
   x = 1,417.54