Finding the Fourth Proportional to 16,799.23, 25,200.24 and 5,112.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,799.23 : 25,200.24 = 5,112.55 : x
2. Step 2: Convert to fraction form
   16,799.23/25,200.24 = 5,112.55/x
3. Step 3: Cross multiply
   16,799.23x = 25,200.24 × 5,112.55
4. Step 4: Simplify right side
   16,799.23x = 128,837,487.01
5. Step 5: Solve for x
   x = 128,837,487.01/16,799.23
6. Step 6: Final answer
   x = 7,669.25