Finding the Fourth Proportional to 2,185.76, 3,016.35 and 1,301.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.76 : 3,016.35 = 1,301.60 : x
2. Step 2: Convert to fraction form
   2,185.76/3,016.35 = 1,301.60/x
3. Step 3: Cross multiply
   2,185.76x = 3,016.35 × 1,301.60
4. Step 4: Simplify right side
   2,185.76x = 3,926,088.70
5. Step 5: Solve for x
   x = 3,926,088.70/2,185.76
6. Step 6: Final answer
   x = 1,796.21