Finding the Fourth Proportional to 16,799.35, 25,191.72 and 5,109.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,799.35 : 25,191.72 = 5,109.83 : x
2. Step 2: Convert to fraction form
   16,799.35/25,191.72 = 5,109.83/x
3. Step 3: Cross multiply
   16,799.35x = 25,191.72 × 5,109.83
4. Step 4: Simplify right side
   16,799.35x = 128,725,406.61
5. Step 5: Solve for x
   x = 128,725,406.61/16,799.35
6. Step 6: Final answer
   x = 7,662.53