Finding the Fourth Proportional to 139,627.16, 209,361.38 and 95,307.56

Step by Step Solution

1. Step 1: Write the proportion equation
   139,627.16 : 209,361.38 = 95,307.56 : x
2. Step 2: Convert to fraction form
   139,627.16/209,361.38 = 95,307.56/x
3. Step 3: Cross multiply
   139,627.16x = 209,361.38 × 95,307.56
4. Step 4: Simplify right side
   139,627.16x = 19,953,722,286.03
5. Step 5: Solve for x
   x = 19,953,722,286.03/139,627.16
6. Step 6: Final answer
   x = 142,907.17