Finding the Fourth Proportional to 6,870.54, 10,303.50 and 2,487.08

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.54 : 10,303.50 = 2,487.08 : x
2. Step 2: Convert to fraction form
   6,870.54/10,303.50 = 2,487.08/x
3. Step 3: Cross multiply
   6,870.54x = 10,303.50 × 2,487.08
4. Step 4: Simplify right side
   6,870.54x = 25,625,628.78
5. Step 5: Solve for x
   x = 25,625,628.78/6,870.54
6. Step 6: Final answer
   x = 3,729.78