Finding the Fourth Proportional to 13,168.17, 19,749.29 and 3,808.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,168.17 : 19,749.29 = 3,808.15 : x
2. Step 2: Convert to fraction form
   13,168.17/19,749.29 = 3,808.15/x
3. Step 3: Cross multiply
   13,168.17x = 19,749.29 × 3,808.15
4. Step 4: Simplify right side
   13,168.17x = 75,208,190.30
5. Step 5: Solve for x
   x = 75,208,190.30/13,168.17
6. Step 6: Final answer
   x = 5,711.36