Finding the Fourth Proportional to 9,667.80, 13,340.52 and 5,687.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.80 : 13,340.52 = 5,687.52 : x
2. Step 2: Convert to fraction form
   9,667.80/13,340.52 = 5,687.52/x
3. Step 3: Cross multiply
   9,667.80x = 13,340.52 × 5,687.52
4. Step 4: Simplify right side
   9,667.80x = 75,874,474.31
5. Step 5: Solve for x
   x = 75,874,474.31/9,667.80
6. Step 6: Final answer
   x = 7,848.16