Finding the Fourth Proportional to 9,456.12, 13,044.96 and 7,345.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,456.12 : 13,044.96 = 7,345.80 : x
2. Step 2: Convert to fraction form
   9,456.12/13,044.96 = 7,345.80/x
3. Step 3: Cross multiply
   9,456.12x = 13,044.96 × 7,345.80
4. Step 4: Simplify right side
   9,456.12x = 95,825,667.17
5. Step 5: Solve for x
   x = 95,825,667.17/9,456.12
6. Step 6: Final answer
   x = 10,133.72