Finding the Fourth Proportional to 139,077.49, 208,561.64 and 49,101

Step by Step Solution

1. Step 1: Write the proportion equation
   139,077.49 : 208,561.64 = 49,101 : x
2. Step 2: Convert to fraction form
   139,077.49/208,561.64 = 49,101/x
3. Step 3: Cross multiply
   139,077.49x = 208,561.64 × 49,101
4. Step 4: Simplify right side
   139,077.49x = 10,240,584,840.14
5. Step 5: Solve for x
   x = 10,240,584,840.14/139,077.49
6. Step 6: Final answer
   x = 73,632.22