Finding the Fourth Proportional to 8,594.42, 12,892.86 and 3,259.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,594.42 : 12,892.86 = 3,259.56 : x
2. Step 2: Convert to fraction form
   8,594.42/12,892.86 = 3,259.56/x
3. Step 3: Cross multiply
   8,594.42x = 12,892.86 × 3,259.56
4. Step 4: Simplify right side
   8,594.42x = 42,024,978.13
5. Step 5: Solve for x
   x = 42,024,978.13/8,594.42
6. Step 6: Final answer
   x = 4,889.80