Finding the Fourth Proportional to 56.01, 76.82 and 56.01

Step by Step Solution

1. Step 1: Write the proportion equation
   56.01 : 76.82 = 56.01 : x
2. Step 2: Convert to fraction form
   56.01/76.82 = 56.01/x
3. Step 3: Cross multiply
   56.01x = 76.82 × 56.01
4. Step 4: Simplify right side
   56.01x = 4,302.69
5. Step 5: Solve for x
   x = 4,302.69/56.01
6. Step 6: Final answer
   x = 76.82