Finding the Fourth Proportional to 8,635.82, 12,955.83 and 2,792.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,635.82 : 12,955.83 = 2,792.42 : x
2. Step 2: Convert to fraction form
   8,635.82/12,955.83 = 2,792.42/x
3. Step 3: Cross multiply
   8,635.82x = 12,955.83 × 2,792.42
4. Step 4: Simplify right side
   8,635.82x = 36,178,118.81
5. Step 5: Solve for x
   x = 36,178,118.81/8,635.82
6. Step 6: Final answer
   x = 4,189.31