Finding the Fourth Proportional to 12,765.96, 17,598.55 and 8,451.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,765.96 : 17,598.55 = 8,451.82 : x
2. Step 2: Convert to fraction form
   12,765.96/17,598.55 = 8,451.82/x
3. Step 3: Cross multiply
   12,765.96x = 17,598.55 × 8,451.82
4. Step 4: Simplify right side
   12,765.96x = 148,739,776.86
5. Step 5: Solve for x
   x = 148,739,776.86/12,765.96
6. Step 6: Final answer
   x = 11,651.28