Finding the Fourth Proportional to 2,588.72, 3,884.00 and 1,272.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.72 : 3,884.00 = 1,272.33 : x
2. Step 2: Convert to fraction form
   2,588.72/3,884.00 = 1,272.33/x
3. Step 3: Cross multiply
   2,588.72x = 3,884.00 × 1,272.33
4. Step 4: Simplify right side
   2,588.72x = 4,941,723.36
5. Step 5: Solve for x
   x = 4,941,723.36/2,588.72
6. Step 6: Final answer
   x = 1,908.95