Finding the Fourth Proportional to 7,474.87, 10,314.78 and 4,117.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,474.87 : 10,314.78 = 4,117.48 : x
2. Step 2: Convert to fraction form
   7,474.87/10,314.78 = 4,117.48/x
3. Step 3: Cross multiply
   7,474.87x = 10,314.78 × 4,117.48
4. Step 4: Simplify right side
   7,474.87x = 42,470,934.52
5. Step 5: Solve for x
   x = 42,470,934.52/7,474.87
6. Step 6: Final answer
   x = 5,681.83