Finding the Fourth Proportional to 13,164.82, 18,167.45 and 7,196.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164.82 : 18,167.45 = 7,196.53 : x
2. Step 2: Convert to fraction form
   13,164.82/18,167.45 = 7,196.53/x
3. Step 3: Cross multiply
   13,164.82x = 18,167.45 × 7,196.53
4. Step 4: Simplify right side
   13,164.82x = 130,742,640.53
5. Step 5: Solve for x
   x = 130,742,640.53/13,164.82
6. Step 6: Final answer
   x = 9,931.21