Finding the Fourth Proportional to 10,109.75, 15,161.69 and 3,446.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,109.75 : 15,161.69 = 3,446.09 : x
2. Step 2: Convert to fraction form
   10,109.75/15,161.69 = 3,446.09/x
3. Step 3: Cross multiply
   10,109.75x = 15,161.69 × 3,446.09
4. Step 4: Simplify right side
   10,109.75x = 52,248,548.29
5. Step 5: Solve for x
   x = 52,248,548.29/10,109.75
6. Step 6: Final answer
   x = 5,168.14