Finding the Fourth Proportional to 45,146.41, 62,271.10 and 30,974.65

Step by Step Solution

1. Step 1: Write the proportion equation
   45,146.41 : 62,271.10 = 30,974.65 : x
2. Step 2: Convert to fraction form
   45,146.41/62,271.10 = 30,974.65/x
3. Step 3: Cross multiply
   45,146.41x = 62,271.10 × 30,974.65
4. Step 4: Simplify right side
   45,146.41x = 1,928,825,061.39
5. Step 5: Solve for x
   x = 1,928,825,061.39/45,146.41
6. Step 6: Final answer
   x = 42,723.78