Finding the Fourth Proportional to 70,870.88, 106,271.71 and 30,923.62

Step by Step Solution

1. Step 1: Write the proportion equation
   70,870.88 : 106,271.71 = 30,923.62 : x
2. Step 2: Convert to fraction form
   70,870.88/106,271.71 = 30,923.62/x
3. Step 3: Cross multiply
   70,870.88x = 106,271.71 × 30,923.62
4. Step 4: Simplify right side
   70,870.88x = 3,286,305,633.80
5. Step 5: Solve for x
   x = 3,286,305,633.80/70,870.88
6. Step 6: Final answer
   x = 46,370.32