Finding the Fourth Proportional to 2,185.50, 3,016.47 and 1,357.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.50 : 3,016.47 = 1,357.98 : x
2. Step 2: Convert to fraction form
   2,185.50/3,016.47 = 1,357.98/x
3. Step 3: Cross multiply
   2,185.50x = 3,016.47 × 1,357.98
4. Step 4: Simplify right side
   2,185.50x = 4,096,305.93
5. Step 5: Solve for x
   x = 4,096,305.93/2,185.50
6. Step 6: Final answer
   x = 1,874.31