Finding the Fourth Proportional to 12,859.31, 19,288.76 and 4,094.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,859.31 : 19,288.76 = 4,094.10 : x
2. Step 2: Convert to fraction form
   12,859.31/19,288.76 = 4,094.10/x
3. Step 3: Cross multiply
   12,859.31x = 19,288.76 × 4,094.10
4. Step 4: Simplify right side
   12,859.31x = 78,970,112.32
5. Step 5: Solve for x
   x = 78,970,112.32/12,859.31
6. Step 6: Final answer
   x = 6,141.08