Finding the Fourth Proportional to 3,786.25, 5,680.29 and 1,189.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786.25 : 5,680.29 = 1,189.18 : x
2. Step 2: Convert to fraction form
   3,786.25/5,680.29 = 1,189.18/x
3. Step 3: Cross multiply
   3,786.25x = 5,680.29 × 1,189.18
4. Step 4: Simplify right side
   3,786.25x = 6,754,895.52
5. Step 5: Solve for x
   x = 6,754,895.52/3,786.25
6. Step 6: Final answer
   x = 1,784.06