Finding the Fourth Proportional to 16,804.52, 25,209.52 and 5,115

Step by Step Solution

1. Step 1: Write the proportion equation
   16,804.52 : 25,209.52 = 5,115 : x
2. Step 2: Convert to fraction form
   16,804.52/25,209.52 = 5,115/x
3. Step 3: Cross multiply
   16,804.52x = 25,209.52 × 5,115
4. Step 4: Simplify right side
   16,804.52x = 128,946,694.80
5. Step 5: Solve for x
   x = 128,946,694.80/16,804.52
6. Step 6: Final answer
   x = 7,673.33