Finding the Fourth Proportional to 4,109.31, 6,164.63 and 1,335.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,109.31 : 6,164.63 = 1,335.78 : x
2. Step 2: Convert to fraction form
   4,109.31/6,164.63 = 1,335.78/x
3. Step 3: Cross multiply
   4,109.31x = 6,164.63 × 1,335.78
4. Step 4: Simplify right side
   4,109.31x = 8,234,582.78
5. Step 5: Solve for x
   x = 8,234,582.78/4,109.31
6. Step 6: Final answer
   x = 2,003.88