Finding the Fourth Proportional to 2,588.86, 3,883.32 and 945.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.86 : 3,883.32 = 945.46 : x
2. Step 2: Convert to fraction form
   2,588.86/3,883.32 = 945.46/x
3. Step 3: Cross multiply
   2,588.86x = 3,883.32 × 945.46
4. Step 4: Simplify right side
   2,588.86x = 3,671,523.73
5. Step 5: Solve for x
   x = 3,671,523.73/2,588.86
6. Step 6: Final answer
   x = 1,418.20