Finding the Fourth Proportional to 12,801.82, 17,651.40 and 8,770.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,801.82 : 17,651.40 = 8,770.58 : x
2. Step 2: Convert to fraction form
   12,801.82/17,651.40 = 8,770.58/x
3. Step 3: Cross multiply
   12,801.82x = 17,651.40 × 8,770.58
4. Step 4: Simplify right side
   12,801.82x = 154,813,015.81
5. Step 5: Solve for x
   x = 154,813,015.81/12,801.82
6. Step 6: Final answer
   x = 12,093.05