Finding the Fourth Proportional to 1,189.32, 1,784.18 and 367.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189.32 : 1,784.18 = 367.41 : x
2. Step 2: Convert to fraction form
   1,189.32/1,784.18 = 367.41/x
3. Step 3: Cross multiply
   1,189.32x = 1,784.18 × 367.41
4. Step 4: Simplify right side
   1,189.32x = 655,518.42
5. Step 5: Solve for x
   x = 655,518.42/1,189.32
6. Step 6: Final answer
   x = 551.17