Finding the Fourth Proportional to 10,923.55, 16,382.16 and 4,258.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,923.55 : 16,382.16 = 4,258.56 : x
2. Step 2: Convert to fraction form
   10,923.55/16,382.16 = 4,258.56/x
3. Step 3: Cross multiply
   10,923.55x = 16,382.16 × 4,258.56
4. Step 4: Simplify right side
   10,923.55x = 69,764,411.29
5. Step 5: Solve for x
   x = 69,764,411.29/10,923.55
6. Step 6: Final answer
   x = 6,386.61