Finding the Fourth Proportional to 139,325,606.62, 192,257,965.49 and 82,030,256.28

Step by Step Solution

1. Step 1: Write the proportion equation
   139,325,606.62 : 192,257,965.49 = 82,030,256.28 : x
2. Step 2: Convert to fraction form
   139,325,606.62/192,257,965.49 = 82,030,256.28/x
3. Step 3: Cross multiply
   139,325,606.62x = 192,257,965.49 × 82,030,256.28
4. Step 4: Simplify right side
   139,325,606.62x = 15,770,970,181,016,096
5. Step 5: Solve for x
   x = 15,770,970,181,016,096/139,325,606.62
6. Step 6: Final answer
   x = 113,195,058.42