Finding the Fourth Proportional to 185.47, 279.48 and 153.69

Step by Step Solution

1. Step 1: Write the proportion equation
   185.47 : 279.48 = 153.69 : x
2. Step 2: Convert to fraction form
   185.47/279.48 = 153.69/x
3. Step 3: Cross multiply
   185.47x = 279.48 × 153.69
4. Step 4: Simplify right side
   185.47x = 42,951.88
5. Step 5: Solve for x
   x = 42,951.88/185.47
6. Step 6: Final answer
   x = 231.58