Finding the Fourth Proportional to 70,659, 105,744.11 and 43,630.25

Step by Step Solution

1. Step 1: Write the proportion equation
   70,659 : 105,744.11 = 43,630.25 : x
2. Step 2: Convert to fraction form
   70,659/105,744.11 = 43,630.25/x
3. Step 3: Cross multiply
   70,659x = 105,744.11 × 43,630.25
4. Step 4: Simplify right side
   70,659x = 4,613,641,208.46
5. Step 5: Solve for x
   x = 4,613,641,208.46/70,659
6. Step 6: Final answer
   x = 65,294.46