Finding the Fourth Proportional to 377.82, 566.76 and 103.89

Step by Step Solution

1. Step 1: Write the proportion equation
   377.82 : 566.76 = 103.89 : x
2. Step 2: Convert to fraction form
   377.82/566.76 = 103.89/x
3. Step 3: Cross multiply
   377.82x = 566.76 × 103.89
4. Step 4: Simplify right side
   377.82x = 58,877.86
5. Step 5: Solve for x
   x = 58,877.86/377.82
6. Step 6: Final answer
   x = 155.83