Finding the Fourth Proportional to 6,958.31, 10,425.74 and 3,443.63

Step by Step Solution

1. Step 1: Write the proportion equation
   6,958.31 : 10,425.74 = 3,443.63 : x
2. Step 2: Convert to fraction form
   6,958.31/10,425.74 = 3,443.63/x
3. Step 3: Cross multiply
   6,958.31x = 10,425.74 × 3,443.63
4. Step 4: Simplify right side
   6,958.31x = 35,902,373.82
5. Step 5: Solve for x
   x = 35,902,373.82/6,958.31
6. Step 6: Final answer
   x = 5,159.64