Finding the Fourth Proportional to 56.05, 83.72 and 46.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56.05 : 83.72 = 46.82 : x
2. Step 2: Convert to fraction form
   56.05/83.72 = 46.82/x
3. Step 3: Cross multiply
   56.05x = 83.72 × 46.82
4. Step 4: Simplify right side
   56.05x = 3,920.10
5. Step 5: Solve for x
   x = 3,920.10/56.05
6. Step 6: Final answer
   x = 69.94