Finding the Fourth Proportional to 2,086.60, 2,880.06 and 1,300.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.60 : 2,880.06 = 1,300.18 : x
2. Step 2: Convert to fraction form
   2,086.60/2,880.06 = 1,300.18/x
3. Step 3: Cross multiply
   2,086.60x = 2,880.06 × 1,300.18
4. Step 4: Simplify right side
   2,086.60x = 3,744,596.41
5. Step 5: Solve for x
   x = 3,744,596.41/2,086.60
6. Step 6: Final answer
   x = 1,794.59