Finding the Fourth Proportional to 10,576.32, 15,866.76 and 3,180.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,576.32 : 15,866.76 = 3,180.18 : x
2. Step 2: Convert to fraction form
   10,576.32/15,866.76 = 3,180.18/x
3. Step 3: Cross multiply
   10,576.32x = 15,866.76 × 3,180.18
4. Step 4: Simplify right side
   10,576.32x = 50,459,152.82
5. Step 5: Solve for x
   x = 50,459,152.82/10,576.32
6. Step 6: Final answer
   x = 4,770.96