Finding the Fourth Proportional to 6,839.52, 10,264.12 and 3,145.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,839.52 : 10,264.12 = 3,145.92 : x
2. Step 2: Convert to fraction form
   6,839.52/10,264.12 = 3,145.92/x
3. Step 3: Cross multiply
   6,839.52x = 10,264.12 × 3,145.92
4. Step 4: Simplify right side
   6,839.52x = 32,290,100.39
5. Step 5: Solve for x
   x = 32,290,100.39/6,839.52
6. Step 6: Final answer
   x = 4,721.11