Finding the Fourth Proportional to 12,192.98, 16,820.00 and 7,153.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,192.98 : 16,820.00 = 7,153.82 : x
2. Step 2: Convert to fraction form
   12,192.98/16,820.00 = 7,153.82/x
3. Step 3: Cross multiply
   12,192.98x = 16,820.00 × 7,153.82
4. Step 4: Simplify right side
   12,192.98x = 120,327,132.53
5. Step 5: Solve for x
   x = 120,327,132.53/12,192.98
6. Step 6: Final answer
   x = 9,868.56