Finding the Fourth Proportional to 10,011.74, 13,815.81 and 5,979.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,011.74 : 13,815.81 = 5,979.25 : x
2. Step 2: Convert to fraction form
   10,011.74/13,815.81 = 5,979.25/x
3. Step 3: Cross multiply
   10,011.74x = 13,815.81 × 5,979.25
4. Step 4: Simplify right side
   10,011.74x = 82,608,181.94
5. Step 5: Solve for x
   x = 82,608,181.94/10,011.74
6. Step 6: Final answer
   x = 8,251.13