Finding the Fourth Proportional to 12,847.01, 19,271.39 and 4,081.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,847.01 : 19,271.39 = 4,081.86 : x
2. Step 2: Convert to fraction form
   12,847.01/19,271.39 = 4,081.86/x
3. Step 3: Cross multiply
   12,847.01x = 19,271.39 × 4,081.86
4. Step 4: Simplify right side
   12,847.01x = 78,663,095.58
5. Step 5: Solve for x
   x = 78,663,095.58/12,847.01
6. Step 6: Final answer
   x = 6,123.07