Finding the Fourth Proportional to 978.39, 1,468.89 and 567.82

Step by Step Solution

1. Step 1: Write the proportion equation
   978.39 : 1,468.89 = 567.82 : x
2. Step 2: Convert to fraction form
   978.39/1,468.89 = 567.82/x
3. Step 3: Cross multiply
   978.39x = 1,468.89 × 567.82
4. Step 4: Simplify right side
   978.39x = 834,065.54
5. Step 5: Solve for x
   x = 834,065.54/978.39
6. Step 6: Final answer
   x = 852.49