Finding the Fourth Proportional to 887.39, 1,222.59 and 700.82

Step by Step Solution

1. Step 1: Write the proportion equation
   887.39 : 1,222.59 = 700.82 : x
2. Step 2: Convert to fraction form
   887.39/1,222.59 = 700.82/x
3. Step 3: Cross multiply
   887.39x = 1,222.59 × 700.82
4. Step 4: Simplify right side
   887.39x = 856,816.62
5. Step 5: Solve for x
   x = 856,816.62/887.39
6. Step 6: Final answer
   x = 965.55