Finding the Fourth Proportional to 13,216.02, 19,826.46 and 10,772.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,216.02 : 19,826.46 = 10,772.52 : x
2. Step 2: Convert to fraction form
   13,216.02/19,826.46 = 10,772.52/x
3. Step 3: Cross multiply
   13,216.02x = 19,826.46 × 10,772.52
4. Step 4: Simplify right side
   13,216.02x = 213,580,936.88
5. Step 5: Solve for x
   x = 213,580,936.88/13,216.02
6. Step 6: Final answer
   x = 16,160.76