Finding the Fourth Proportional to 16,792.32, 25,192.32 and 5,107.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,792.32 : 25,192.32 = 5,107.20 : x
2. Step 2: Convert to fraction form
   16,792.32/25,192.32 = 5,107.20/x
3. Step 3: Cross multiply
   16,792.32x = 25,192.32 × 5,107.20
4. Step 4: Simplify right side
   16,792.32x = 128,662,216.70
5. Step 5: Solve for x
   x = 128,662,216.70/16,792.32
6. Step 6: Final answer
   x = 7,661.97