Finding the Fourth Proportional to 6,979.74, 9,628.83 and 4,288.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,979.74 : 9,628.83 = 4,288.52 : x
2. Step 2: Convert to fraction form
   6,979.74/9,628.83 = 4,288.52/x
3. Step 3: Cross multiply
   6,979.74x = 9,628.83 × 4,288.52
4. Step 4: Simplify right side
   6,979.74x = 41,293,381.89
5. Step 5: Solve for x
   x = 41,293,381.89/6,979.74
6. Step 6: Final answer
   x = 5,916.18