Finding the Fourth Proportional to 710.82, 1,051.56 and 710.82

Step by Step Solution

1. Step 1: Write the proportion equation
   710.82 : 1,051.56 = 710.82 : x
2. Step 2: Convert to fraction form
   710.82/1,051.56 = 710.82/x
3. Step 3: Cross multiply
   710.82x = 1,051.56 × 710.82
4. Step 4: Simplify right side
   710.82x = 747,469.88
5. Step 5: Solve for x
   x = 747,469.88/710.82
6. Step 6: Final answer
   x = 1,051.56