Finding the Fourth Proportional to 69.84, 104.69 and 37.31

Step by Step Solution

1. Step 1: Write the proportion equation
   69.84 : 104.69 = 37.31 : x
2. Step 2: Convert to fraction form
   69.84/104.69 = 37.31/x
3. Step 3: Cross multiply
   69.84x = 104.69 × 37.31
4. Step 4: Simplify right side
   69.84x = 3,905.98
5. Step 5: Solve for x
   x = 3,905.98/69.84
6. Step 6: Final answer
   x = 55.93