Finding the Fourth Proportional to 7,074.63, 9,763.25 and 4,091.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,074.63 : 9,763.25 = 4,091.40 : x
2. Step 2: Convert to fraction form
   7,074.63/9,763.25 = 4,091.40/x
3. Step 3: Cross multiply
   7,074.63x = 9,763.25 × 4,091.40
4. Step 4: Simplify right side
   7,074.63x = 39,945,340.59
5. Step 5: Solve for x
   x = 39,945,340.59/7,074.63
6. Step 6: Final answer
   x = 5,646.28