Finding the Fourth Proportional to 10,320.56, 15,467.81 and 5,630.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,320.56 : 15,467.81 = 5,630.79 : x
2. Step 2: Convert to fraction form
   10,320.56/15,467.81 = 5,630.79/x
3. Step 3: Cross multiply
   10,320.56x = 15,467.81 × 5,630.79
4. Step 4: Simplify right side
   10,320.56x = 87,095,961.72
5. Step 5: Solve for x
   x = 87,095,961.72/10,320.56
6. Step 6: Final answer
   x = 8,439.08