Finding the Fourth Proportional to 2,588.08, 3,882.72 and 739.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.08 : 3,882.72 = 739.22 : x
2. Step 2: Convert to fraction form
   2,588.08/3,882.72 = 739.22/x
3. Step 3: Cross multiply
   2,588.08x = 3,882.72 × 739.22
4. Step 4: Simplify right side
   2,588.08x = 2,870,176.42
5. Step 5: Solve for x
   x = 2,870,176.42/2,588.08
6. Step 6: Final answer
   x = 1,109.00