Finding the Fourth Proportional to 12,825.07, 17,705.96 and 9,776.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,825.07 : 17,705.96 = 9,776.25 : x
2. Step 2: Convert to fraction form
   12,825.07/17,705.96 = 9,776.25/x
3. Step 3: Cross multiply
   12,825.07x = 17,705.96 × 9,776.25
4. Step 4: Simplify right side
   12,825.07x = 173,097,842.57
5. Step 5: Solve for x
   x = 173,097,842.57/12,825.07
6. Step 6: Final answer
   x = 13,496.84