Finding the Fourth Proportional to 70,426.38, 105,567.48 and 30,976.14

Step by Step Solution

1. Step 1: Write the proportion equation
   70,426.38 : 105,567.48 = 30,976.14 : x
2. Step 2: Convert to fraction form
   70,426.38/105,567.48 = 30,976.14/x
3. Step 3: Cross multiply
   70,426.38x = 105,567.48 × 30,976.14
4. Step 4: Simplify right side
   70,426.38x = 3,270,073,039.93
5. Step 5: Solve for x
   x = 3,270,073,039.93/70,426.38
6. Step 6: Final answer
   x = 46,432.50