Finding the Fourth Proportional to 19,983.98, 27,573.06 and 12,810.62

Step by Step Solution

1. Step 1: Write the proportion equation
   19,983.98 : 27,573.06 = 12,810.62 : x
2. Step 2: Convert to fraction form
   19,983.98/27,573.06 = 12,810.62/x
3. Step 3: Cross multiply
   19,983.98x = 27,573.06 × 12,810.62
4. Step 4: Simplify right side
   19,983.98x = 353,227,993.90
5. Step 5: Solve for x
   x = 353,227,993.90/19,983.98
6. Step 6: Final answer
   x = 17,675.56