Finding the Fourth Proportional to 12,846.40, 19,269.52 and 4,081.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846.40 : 19,269.52 = 4,081.98 : x
2. Step 2: Convert to fraction form
   12,846.40/19,269.52 = 4,081.98/x
3. Step 3: Cross multiply
   12,846.40x = 19,269.52 × 4,081.98
4. Step 4: Simplify right side
   12,846.40x = 78,657,795.25
5. Step 5: Solve for x
   x = 78,657,795.25/12,846.40
6. Step 6: Final answer
   x = 6,122.94