Finding the Fourth Proportional to 10,864.83, 16,290.52 and 4,621.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,864.83 : 16,290.52 = 4,621.25 : x
2. Step 2: Convert to fraction form
   10,864.83/16,290.52 = 4,621.25/x
3. Step 3: Cross multiply
   10,864.83x = 16,290.52 × 4,621.25
4. Step 4: Simplify right side
   10,864.83x = 75,282,594.72
5. Step 5: Solve for x
   x = 75,282,594.72/10,864.83
6. Step 6: Final answer
   x = 6,929.01