Finding the Fourth Proportional to 10,435.55, 14,400.52 and 5,718.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.55 : 14,400.52 = 5,718.92 : x
2. Step 2: Convert to fraction form
   10,435.55/14,400.52 = 5,718.92/x
3. Step 3: Cross multiply
   10,435.55x = 14,400.52 × 5,718.92
4. Step 4: Simplify right side
   10,435.55x = 82,355,335.54
5. Step 5: Solve for x
   x = 82,355,335.54/10,435.55
6. Step 6: Final answer
   x = 7,891.81