Finding the Fourth Proportional to 12,846.98, 19,273.52 and 4,081.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846.98 : 19,273.52 = 4,081.90 : x
2. Step 2: Convert to fraction form
   12,846.98/19,273.52 = 4,081.90/x
3. Step 3: Cross multiply
   12,846.98x = 19,273.52 × 4,081.90
4. Step 4: Simplify right side
   12,846.98x = 78,672,543.31
5. Step 5: Solve for x
   x = 78,672,543.31/12,846.98
6. Step 6: Final answer
   x = 6,123.82