Finding the Fourth Proportional to 16,371.88, 24,558.37 and 12,810.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,371.88 : 24,558.37 = 12,810.72 : x
2. Step 2: Convert to fraction form
   16,371.88/24,558.37 = 12,810.72/x
3. Step 3: Cross multiply
   16,371.88x = 24,558.37 × 12,810.72
4. Step 4: Simplify right side
   16,371.88x = 314,610,235.16
5. Step 5: Solve for x
   x = 314,610,235.16/16,371.88
6. Step 6: Final answer
   x = 19,216.50