Finding the Fourth Proportional to 13,164.84, 19,749.42 and 5,371.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164.84 : 19,749.42 = 5,371.56 : x
2. Step 2: Convert to fraction form
   13,164.84/19,749.42 = 5,371.56/x
3. Step 3: Cross multiply
   13,164.84x = 19,749.42 × 5,371.56
4. Step 4: Simplify right side
   13,164.84x = 106,085,194.50
5. Step 5: Solve for x
   x = 106,085,194.50/13,164.84
6. Step 6: Final answer
   x = 8,058.22