Finding the Fourth Proportional to 49,440.69, 68,224.86 and 30,574.17

Step by Step Solution

1. Step 1: Write the proportion equation
   49,440.69 : 68,224.86 = 30,574.17 : x
2. Step 2: Convert to fraction form
   49,440.69/68,224.86 = 30,574.17/x
3. Step 3: Cross multiply
   49,440.69x = 68,224.86 × 30,574.17
4. Step 4: Simplify right side
   49,440.69x = 2,085,918,467.87
5. Step 5: Solve for x
   x = 2,085,918,467.87/49,440.69
6. Step 6: Final answer
   x = 42,190.32