Finding the Fourth Proportional to 49,830.47, 68,771.41 and 30,706.16

Step by Step Solution

1. Step 1: Write the proportion equation
   49,830.47 : 68,771.41 = 30,706.16 : x
2. Step 2: Convert to fraction form
   49,830.47/68,771.41 = 30,706.16/x
3. Step 3: Cross multiply
   49,830.47x = 68,771.41 × 30,706.16
4. Step 4: Simplify right side
   49,830.47x = 2,111,705,918.89
5. Step 5: Solve for x
   x = 2,111,705,918.89/49,830.47
6. Step 6: Final answer
   x = 42,377.80