Finding the Fourth Proportional to 8,865.17, 13,296.72 and 2,290.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,865.17 : 13,296.72 = 2,290.84 : x
2. Step 2: Convert to fraction form
   8,865.17/13,296.72 = 2,290.84/x
3. Step 3: Cross multiply
   8,865.17x = 13,296.72 × 2,290.84
4. Step 4: Simplify right side
   8,865.17x = 30,460,658.04
5. Step 5: Solve for x
   x = 30,460,658.04/8,865.17
6. Step 6: Final answer
   x = 3,435.99