Finding the Fourth Proportional to 184.03, 253.82 and 128.71

Step by Step Solution

1. Step 1: Write the proportion equation
   184.03 : 253.82 = 128.71 : x
2. Step 2: Convert to fraction form
   184.03/253.82 = 128.71/x
3. Step 3: Cross multiply
   184.03x = 253.82 × 128.71
4. Step 4: Simplify right side
   184.03x = 32,667.26
5. Step 5: Solve for x
   x = 32,667.26/184.03
6. Step 6: Final answer
   x = 177.52