Finding the Fourth Proportional to 2,558, 3,530.60 and 1,510.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558 : 3,530.60 = 1,510.64 : x
2. Step 2: Convert to fraction form
   2,558/3,530.60 = 1,510.64/x
3. Step 3: Cross multiply
   2,558x = 3,530.60 × 1,510.64
4. Step 4: Simplify right side
   2,558x = 5,333,465.58
5. Step 5: Solve for x
   x = 5,333,465.58/2,558
6. Step 6: Final answer
   x = 2,085.01