Finding the Fourth Proportional to 1,705.62, 2,554.83 and 1,396.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.62 : 2,554.83 = 1,396.02 : x
2. Step 2: Convert to fraction form
   1,705.62/2,554.83 = 1,396.02/x
3. Step 3: Cross multiply
   1,705.62x = 2,554.83 × 1,396.02
4. Step 4: Simplify right side
   1,705.62x = 3,566,593.78
5. Step 5: Solve for x
   x = 3,566,593.78/1,705.62
6. Step 6: Final answer
   x = 2,091.08