Finding the Fourth Proportional to 10,496.43, 15,667.84 and 9,250.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,496.43 : 15,667.84 = 9,250.91 : x
2. Step 2: Convert to fraction form
   10,496.43/15,667.84 = 9,250.91/x
3. Step 3: Cross multiply
   10,496.43x = 15,667.84 × 9,250.91
4. Step 4: Simplify right side
   10,496.43x = 144,941,734.09
5. Step 5: Solve for x
   x = 144,941,734.09/10,496.43
6. Step 6: Final answer
   x = 13,808.67