Finding the Fourth Proportional to 139,968,144.10, 209,952,216.15 and 49,079,923.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,144.10 : 209,952,216.15 = 49,079,923.30 : x
2. Step 2: Convert to fraction form
   139,968,144.10/209,952,216.15 = 49,079,923.30/x
3. Step 3: Cross multiply
   139,968,144.10x = 209,952,216.15 × 49,079,923.30
4. Step 4: Simplify right side
   139,968,144.10x = 10,304,438,665,307,020
5. Step 5: Solve for x
   x = 10,304,438,665,307,020/139,968,144.10
6. Step 6: Final answer
   x = 73,619,884.95