Finding the Fourth Proportional to 2,506.82, 3,459.24 and 1,387.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.82 : 3,459.24 = 1,387.69 : x
2. Step 2: Convert to fraction form
   2,506.82/3,459.24 = 1,387.69/x
3. Step 3: Cross multiply
   2,506.82x = 3,459.24 × 1,387.69
4. Step 4: Simplify right side
   2,506.82x = 4,800,344.11
5. Step 5: Solve for x
   x = 4,800,344.11/2,506.82
6. Step 6: Final answer
   x = 1,914.92