Finding the Fourth Proportional to 16,858.71, 25,280.76 and 5,763.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,858.71 : 25,280.76 = 5,763.33 : x
2. Step 2: Convert to fraction form
   16,858.71/25,280.76 = 5,763.33/x
3. Step 3: Cross multiply
   16,858.71x = 25,280.76 × 5,763.33
4. Step 4: Simplify right side
   16,858.71x = 145,701,362.53
5. Step 5: Solve for x
   x = 145,701,362.53/16,858.71
6. Step 6: Final answer
   x = 8,642.50