Finding the Fourth Proportional to 16,867.98, 25,300.35 and 5,181.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,867.98 : 25,300.35 = 5,181.30 : x
2. Step 2: Convert to fraction form
   16,867.98/25,300.35 = 5,181.30/x
3. Step 3: Cross multiply
   16,867.98x = 25,300.35 × 5,181.30
4. Step 4: Simplify right side
   16,867.98x = 131,088,703.46
5. Step 5: Solve for x
   x = 131,088,703.46/16,867.98
6. Step 6: Final answer
   x = 7,771.45