Finding the Fourth Proportional to 89.82, 123.94 and 51.01

Step by Step Solution

1. Step 1: Write the proportion equation
   89.82 : 123.94 = 51.01 : x
2. Step 2: Convert to fraction form
   89.82/123.94 = 51.01/x
3. Step 3: Cross multiply
   89.82x = 123.94 × 51.01
4. Step 4: Simplify right side
   89.82x = 6,322.18
5. Step 5: Solve for x
   x = 6,322.18/89.82
6. Step 6: Final answer
   x = 70.39