Finding the Fourth Proportional to 70,391.82, 105,621.92 and 30,943.82

Step by Step Solution

1. Step 1: Write the proportion equation
   70,391.82 : 105,621.92 = 30,943.82 : x
2. Step 2: Convert to fraction form
   70,391.82/105,621.92 = 30,943.82/x
3. Step 3: Cross multiply
   70,391.82x = 105,621.92 × 30,943.82
4. Step 4: Simplify right side
   70,391.82x = 3,268,345,680.53
5. Step 5: Solve for x
   x = 3,268,345,680.53/70,391.82
6. Step 6: Final answer
   x = 46,430.76