Finding the Fourth Proportional to 6,155.31, 8,494.33 and 3,360.81

Step by Step Solution

1. Step 1: Write the proportion equation
   6,155.31 : 8,494.33 = 3,360.81 : x
2. Step 2: Convert to fraction form
   6,155.31/8,494.33 = 3,360.81/x
3. Step 3: Cross multiply
   6,155.31x = 8,494.33 × 3,360.81
4. Step 4: Simplify right side
   6,155.31x = 28,547,829.21
5. Step 5: Solve for x
   x = 28,547,829.21/6,155.31
6. Step 6: Final answer
   x = 4,637.92