Finding the Fourth Proportional to 13,196.21, 19,794.93 and 7,348.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.21 : 19,794.93 = 7,348.42 : x
2. Step 2: Convert to fraction form
   13,196.21/19,794.93 = 7,348.42/x
3. Step 3: Cross multiply
   13,196.21x = 19,794.93 × 7,348.42
4. Step 4: Simplify right side
   13,196.21x = 145,461,459.51
5. Step 5: Solve for x
   x = 145,461,459.51/13,196.21
6. Step 6: Final answer
   x = 11,022.97