Finding the Fourth Proportional to 5,145.40, 7,096.38 and 3,047.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,145.40 : 7,096.38 = 3,047.56 : x
2. Step 2: Convert to fraction form
   5,145.40/7,096.38 = 3,047.56/x
3. Step 3: Cross multiply
   5,145.40x = 7,096.38 × 3,047.56
4. Step 4: Simplify right side
   5,145.40x = 21,626,643.83
5. Step 5: Solve for x
   x = 21,626,643.83/5,145.40
6. Step 6: Final answer
   x = 4,203.10