Finding the Fourth Proportional to 16,835.35, 25,250.59 and 5,145.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,835.35 : 25,250.59 = 5,145.43 : x
2. Step 2: Convert to fraction form
   16,835.35/25,250.59 = 5,145.43/x
3. Step 3: Cross multiply
   16,835.35x = 25,250.59 × 5,145.43
4. Step 4: Simplify right side
   16,835.35x = 129,924,991.32
5. Step 5: Solve for x
   x = 129,924,991.32/16,835.35
6. Step 6: Final answer
   x = 7,717.39