Finding the Fourth Proportional to 127.94, 176.56 and 71.93

Step by Step Solution

1. Step 1: Write the proportion equation
   127.94 : 176.56 = 71.93 : x
2. Step 2: Convert to fraction form
   127.94/176.56 = 71.93/x
3. Step 3: Cross multiply
   127.94x = 176.56 × 71.93
4. Step 4: Simplify right side
   127.94x = 12,699.77
5. Step 5: Solve for x
   x = 12,699.77/127.94
6. Step 6: Final answer
   x = 99.27