Finding the Fourth Proportional to 2,588.02, 3,882.15 and 739.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.02 : 3,882.15 = 739.40 : x
2. Step 2: Convert to fraction form
   2,588.02/3,882.15 = 739.40/x
3. Step 3: Cross multiply
   2,588.02x = 3,882.15 × 739.40
4. Step 4: Simplify right side
   2,588.02x = 2,870,461.71
5. Step 5: Solve for x
   x = 2,870,461.71/2,588.02
6. Step 6: Final answer
   x = 1,109.13