Finding the Fourth Proportional to 82.51, 123.86 and 46.46

Step by Step Solution

1. Step 1: Write the proportion equation
   82.51 : 123.86 = 46.46 : x
2. Step 2: Convert to fraction form
   82.51/123.86 = 46.46/x
3. Step 3: Cross multiply
   82.51x = 123.86 × 46.46
4. Step 4: Simplify right side
   82.51x = 5,754.96
5. Step 5: Solve for x
   x = 5,754.96/82.51
6. Step 6: Final answer
   x = 69.75