Finding the Fourth Proportional to 139,627.65, 209,362.14 and 95,308.05

Step by Step Solution

1. Step 1: Write the proportion equation
   139,627.65 : 209,362.14 = 95,308.05 : x
2. Step 2: Convert to fraction form
   139,627.65/209,362.14 = 95,308.05/x
3. Step 3: Cross multiply
   139,627.65x = 209,362.14 × 95,308.05
4. Step 4: Simplify right side
   139,627.65x = 19,953,897,307.23
5. Step 5: Solve for x
   x = 19,953,897,307.23/139,627.65
6. Step 6: Final answer
   x = 142,907.92