Finding the Fourth Proportional to 2,506.50, 3,459 and 1,387.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.50 : 3,459 = 1,387.52 : x
2. Step 2: Convert to fraction form
   2,506.50/3,459 = 1,387.52/x
3. Step 3: Cross multiply
   2,506.50x = 3,459 × 1,387.52
4. Step 4: Simplify right side
   2,506.50x = 4,799,431.68
5. Step 5: Solve for x
   x = 4,799,431.68/2,506.50
6. Step 6: Final answer
   x = 1,914.79