Finding the Fourth Proportional to 6,107.31, 8,428.38 and 3,589.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,107.31 : 8,428.38 = 3,589.56 : x
2. Step 2: Convert to fraction form
   6,107.31/8,428.38 = 3,589.56/x
3. Step 3: Cross multiply
   6,107.31x = 8,428.38 × 3,589.56
4. Step 4: Simplify right side
   6,107.31x = 30,254,175.71
5. Step 5: Solve for x
   x = 30,254,175.71/6,107.31
6. Step 6: Final answer
   x = 4,953.76