Finding the Fourth Proportional to 7,094.28, 10,640.69 and 3,145.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,094.28 : 10,640.69 = 3,145.61 : x
2. Step 2: Convert to fraction form
   7,094.28/10,640.69 = 3,145.61/x
3. Step 3: Cross multiply
   7,094.28x = 10,640.69 × 3,145.61
4. Step 4: Simplify right side
   7,094.28x = 33,471,460.87
5. Step 5: Solve for x
   x = 33,471,460.87/7,094.28
6. Step 6: Final answer
   x = 4,718.09