Finding the Fourth Proportional to 12,751.72, 17,597.06 and 7,086.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,751.72 : 17,597.06 = 7,086.48 : x
2. Step 2: Convert to fraction form
   12,751.72/17,597.06 = 7,086.48/x
3. Step 3: Cross multiply
   12,751.72x = 17,597.06 × 7,086.48
4. Step 4: Simplify right side
   12,751.72x = 124,701,213.75
5. Step 5: Solve for x
   x = 124,701,213.75/12,751.72
6. Step 6: Final answer
   x = 9,779.17