Finding the Fourth Proportional to 2,320.61, 3,464.86 and 2,087.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.61 : 3,464.86 = 2,087.39 : x
2. Step 2: Convert to fraction form
   2,320.61/3,464.86 = 2,087.39/x
3. Step 3: Cross multiply
   2,320.61x = 3,464.86 × 2,087.39
4. Step 4: Simplify right side
   2,320.61x = 7,232,504.89
5. Step 5: Solve for x
   x = 7,232,504.89/2,320.61
6. Step 6: Final answer
   x = 3,116.64