Finding the Fourth Proportional to 2,185.33, 3,015.71 and 1,190.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.33 : 3,015.71 = 1,190.59 : x
2. Step 2: Convert to fraction form
   2,185.33/3,015.71 = 1,190.59/x
3. Step 3: Cross multiply
   2,185.33x = 3,015.71 × 1,190.59
4. Step 4: Simplify right side
   2,185.33x = 3,590,457.55
5. Step 5: Solve for x
   x = 3,590,457.55/2,185.33
6. Step 6: Final answer
   x = 1,642.98