Finding the Fourth Proportional to 12,581.82, 17,361.90 and 7,276.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,581.82 : 17,361.90 = 7,276.98 : x
2. Step 2: Convert to fraction form
   12,581.82/17,361.90 = 7,276.98/x
3. Step 3: Cross multiply
   12,581.82x = 17,361.90 × 7,276.98
4. Step 4: Simplify right side
   12,581.82x = 126,342,199.06
5. Step 5: Solve for x
   x = 126,342,199.06/12,581.82
6. Step 6: Final answer
   x = 10,041.65