Finding the Fourth Proportional to 7,090.04, 10,641.42 and 3,965.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,090.04 : 10,641.42 = 3,965.48 : x
2. Step 2: Convert to fraction form
   7,090.04/10,641.42 = 3,965.48/x
3. Step 3: Cross multiply
   7,090.04x = 10,641.42 × 3,965.48
4. Step 4: Simplify right side
   7,090.04x = 42,198,338.18
5. Step 5: Solve for x
   x = 42,198,338.18/7,090.04
6. Step 6: Final answer
   x = 5,951.78