Finding the Fourth Proportional to 49,741, 68,643.88 and 30,613.68

Step by Step Solution

1. Step 1: Write the proportion equation
   49,741 : 68,643.88 = 30,613.68 : x
2. Step 2: Convert to fraction form
   49,741/68,643.88 = 30,613.68/x
3. Step 3: Cross multiply
   49,741x = 68,643.88 × 30,613.68
4. Step 4: Simplify right side
   49,741x = 2,101,441,776.28
5. Step 5: Solve for x
   x = 2,101,441,776.28/49,741
6. Step 6: Final answer
   x = 42,247.68