Finding the Fourth Proportional to 2,655.30, 3,983.16 and 2,619.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,655.30 : 3,983.16 = 2,619.32 : x
2. Step 2: Convert to fraction form
   2,655.30/3,983.16 = 2,619.32/x
3. Step 3: Cross multiply
   2,655.30x = 3,983.16 × 2,619.32
4. Step 4: Simplify right side
   2,655.30x = 10,433,150.74
5. Step 5: Solve for x
   x = 10,433,150.74/2,655.30
6. Step 6: Final answer
   x = 3,929.18