Finding the Fourth Proportional to 1,978.36, 2,968.04 and 591.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.36 : 2,968.04 = 591.71 : x
2. Step 2: Convert to fraction form
   1,978.36/2,968.04 = 591.71/x
3. Step 3: Cross multiply
   1,978.36x = 2,968.04 × 591.71
4. Step 4: Simplify right side
   1,978.36x = 1,756,205.59
5. Step 5: Solve for x
   x = 1,756,205.59/1,978.36
6. Step 6: Final answer
   x = 887.71