Finding the Fourth Proportional to 49,636.78, 68,471 and 30,503.24

Step by Step Solution

1. Step 1: Write the proportion equation
   49,636.78 : 68,471 = 30,503.24 : x
2. Step 2: Convert to fraction form
   49,636.78/68,471 = 30,503.24/x
3. Step 3: Cross multiply
   49,636.78x = 68,471 × 30,503.24
4. Step 4: Simplify right side
   49,636.78x = 2,088,587,346.04
5. Step 5: Solve for x
   x = 2,088,587,346.04/49,636.78
6. Step 6: Final answer
   x = 42,077.41