Finding the Fourth Proportional to 2,185.61, 3,016.18 and 1,190.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.61 : 3,016.18 = 1,190.93 : x
2. Step 2: Convert to fraction form
   2,185.61/3,016.18 = 1,190.93/x
3. Step 3: Cross multiply
   2,185.61x = 3,016.18 × 1,190.93
4. Step 4: Simplify right side
   2,185.61x = 3,592,056.27
5. Step 5: Solve for x
   x = 3,592,056.27/2,185.61
6. Step 6: Final answer
   x = 1,643.50