Finding the Fourth Proportional to 75.98, 104.72 and 51.46

Step by Step Solution

1. Step 1: Write the proportion equation
   75.98 : 104.72 = 51.46 : x
2. Step 2: Convert to fraction form
   75.98/104.72 = 51.46/x
3. Step 3: Cross multiply
   75.98x = 104.72 × 51.46
4. Step 4: Simplify right side
   75.98x = 5,388.37
5. Step 5: Solve for x
   x = 5,388.37/75.98
6. Step 6: Final answer
   x = 70.92