Finding the Fourth Proportional to 12,996.72, 19,496.16 and 5,204.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,996.72 : 19,496.16 = 5,204.52 : x
2. Step 2: Convert to fraction form
   12,996.72/19,496.16 = 5,204.52/x
3. Step 3: Cross multiply
   12,996.72x = 19,496.16 × 5,204.52
4. Step 4: Simplify right side
   12,996.72x = 101,468,154.64
5. Step 5: Solve for x
   x = 101,468,154.64/12,996.72
6. Step 6: Final answer
   x = 7,807.21