Finding the Fourth Proportional to 12,941.82, 17,860.35 and 7,278.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,941.82 : 17,860.35 = 7,278.36 : x
2. Step 2: Convert to fraction form
   12,941.82/17,860.35 = 7,278.36/x
3. Step 3: Cross multiply
   12,941.82x = 17,860.35 × 7,278.36
4. Step 4: Simplify right side
   12,941.82x = 129,994,057.03
5. Step 5: Solve for x
   x = 129,994,057.03/12,941.82
6. Step 6: Final answer
   x = 10,044.50