Finding the Fourth Proportional to 16,799.07, 25,191.33 and 5,109.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,799.07 : 25,191.33 = 5,109.59 : x
2. Step 2: Convert to fraction form
   16,799.07/25,191.33 = 5,109.59/x
3. Step 3: Cross multiply
   16,799.07x = 25,191.33 × 5,109.59
4. Step 4: Simplify right side
   16,799.07x = 128,717,342.31
5. Step 5: Solve for x
   x = 128,717,342.31/16,799.07
6. Step 6: Final answer
   x = 7,662.17