Finding the Fourth Proportional to 12,803.02, 19,196.34 and 8,843.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,803.02 : 19,196.34 = 8,843.20 : x
2. Step 2: Convert to fraction form
   12,803.02/19,196.34 = 8,843.20/x
3. Step 3: Cross multiply
   12,803.02x = 19,196.34 × 8,843.20
4. Step 4: Simplify right side
   12,803.02x = 169,757,073.89
5. Step 5: Solve for x
   x = 169,757,073.89/12,803.02
6. Step 6: Final answer
   x = 13,259.14