Finding the Fourth Proportional to 13,958.52, 19,262.82 and 7,671.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,958.52 : 19,262.82 = 7,671.30 : x
2. Step 2: Convert to fraction form
   13,958.52/19,262.82 = 7,671.30/x
3. Step 3: Cross multiply
   13,958.52x = 19,262.82 × 7,671.30
4. Step 4: Simplify right side
   13,958.52x = 147,770,871.07
5. Step 5: Solve for x
   x = 147,770,871.07/13,958.52
6. Step 6: Final answer
   x = 10,586.43