Finding the Fourth Proportional to 2,884.74, 3,980.71 and 1,705.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,884.74 : 3,980.71 = 1,705.60 : x
2. Step 2: Convert to fraction form
   2,884.74/3,980.71 = 1,705.60/x
3. Step 3: Cross multiply
   2,884.74x = 3,980.71 × 1,705.60
4. Step 4: Simplify right side
   2,884.74x = 6,789,498.98
5. Step 5: Solve for x
   x = 6,789,498.98/2,884.74
6. Step 6: Final answer
   x = 2,353.59