Finding the Fourth Proportional to 7,474.59, 10,314.72 and 4,288.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,474.59 : 10,314.72 = 4,288.42 : x
2. Step 2: Convert to fraction form
   7,474.59/10,314.72 = 4,288.42/x
3. Step 3: Cross multiply
   7,474.59x = 10,314.72 × 4,288.42
4. Step 4: Simplify right side
   7,474.59x = 44,233,851.54
5. Step 5: Solve for x
   x = 44,233,851.54/7,474.59
6. Step 6: Final answer
   x = 5,917.90