Finding the Fourth Proportional to 13,196.54, 19,767.27 and 7,914.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.54 : 19,767.27 = 7,914.80 : x
2. Step 2: Convert to fraction form
   13,196.54/19,767.27 = 7,914.80/x
3. Step 3: Cross multiply
   13,196.54x = 19,767.27 × 7,914.80
4. Step 4: Simplify right side
   13,196.54x = 156,453,988.60
5. Step 5: Solve for x
   x = 156,453,988.60/13,196.54
6. Step 6: Final answer
   x = 11,855.68