Finding the Fourth Proportional to 1,864.55, 2,794.10 and 1,659.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864.55 : 2,794.10 = 1,659.53 : x
2. Step 2: Convert to fraction form
   1,864.55/2,794.10 = 1,659.53/x
3. Step 3: Cross multiply
   1,864.55x = 2,794.10 × 1,659.53
4. Step 4: Simplify right side
   1,864.55x = 4,636,870.50
5. Step 5: Solve for x
   x = 4,636,870.50/1,864.55
6. Step 6: Final answer
   x = 2,486.86