Finding the Fourth Proportional to 1,493.59, 2,236.12 and 1,185.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.59 : 2,236.12 = 1,185.89 : x
2. Step 2: Convert to fraction form
   1,493.59/2,236.12 = 1,185.89/x
3. Step 3: Cross multiply
   1,493.59x = 2,236.12 × 1,185.89
4. Step 4: Simplify right side
   1,493.59x = 2,651,797.45
5. Step 5: Solve for x
   x = 2,651,797.45/1,493.59
6. Step 6: Final answer
   x = 1,775.45