Finding the Fourth Proportional to 10,686.21, 14,751.03 and 9,565.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,686.21 : 14,751.03 = 9,565.14 : x
2. Step 2: Convert to fraction form
   10,686.21/14,751.03 = 9,565.14/x
3. Step 3: Cross multiply
   10,686.21x = 14,751.03 × 9,565.14
4. Step 4: Simplify right side
   10,686.21x = 141,095,667.09
5. Step 5: Solve for x
   x = 141,095,667.09/10,686.21
6. Step 6: Final answer
   x = 13,203.53