Finding the Fourth Proportional to 139,005, 208,507.32 and 49,114.26

Step by Step Solution

1. Step 1: Write the proportion equation
   139,005 : 208,507.32 = 49,114.26 : x
2. Step 2: Convert to fraction form
   139,005/208,507.32 = 49,114.26/x
3. Step 3: Cross multiply
   139,005x = 208,507.32 × 49,114.26
4. Step 4: Simplify right side
   139,005x = 10,240,682,726.38
5. Step 5: Solve for x
   x = 10,240,682,726.38/139,005
6. Step 6: Final answer
   x = 73,671.33