Finding the Fourth Proportional to 3,576.89, 5,364.76 and 979.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,576.89 : 5,364.76 = 979.22 : x
2. Step 2: Convert to fraction form
   3,576.89/5,364.76 = 979.22/x
3. Step 3: Cross multiply
   3,576.89x = 5,364.76 × 979.22
4. Step 4: Simplify right side
   3,576.89x = 5,253,264.43
5. Step 5: Solve for x
   x = 5,253,264.43/3,576.89
6. Step 6: Final answer
   x = 1,468.67