Finding the Fourth Proportional to 185.94, 278.72 and 89.82

Step by Step Solution

1. Step 1: Write the proportion equation
   185.94 : 278.72 = 89.82 : x
2. Step 2: Convert to fraction form
   185.94/278.72 = 89.82/x
3. Step 3: Cross multiply
   185.94x = 278.72 × 89.82
4. Step 4: Simplify right side
   185.94x = 25,034.63
5. Step 5: Solve for x
   x = 25,034.63/185.94
6. Step 6: Final answer
   x = 134.64