Finding the Fourth Proportional to 2,321.02, 3,479.07 and 1,087.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.02 : 3,479.07 = 1,087.39 : x
2. Step 2: Convert to fraction form
   2,321.02/3,479.07 = 1,087.39/x
3. Step 3: Cross multiply
   2,321.02x = 3,479.07 × 1,087.39
4. Step 4: Simplify right side
   2,321.02x = 3,783,105.93
5. Step 5: Solve for x
   x = 3,783,105.93/2,321.02
6. Step 6: Final answer
   x = 1,629.93