Finding the Fourth Proportional to 139,185.14, 208,925.34 and 123,277.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,185.14 : 208,925.34 = 123,277.94 : x
2. Step 2: Convert to fraction form
   139,185.14/208,925.34 = 123,277.94/x
3. Step 3: Cross multiply
   139,185.14x = 208,925.34 × 123,277.94
4. Step 4: Simplify right side
   139,185.14x = 25,755,885,267.84
5. Step 5: Solve for x
   x = 25,755,885,267.84/139,185.14
6. Step 6: Final answer
   x = 185,047.67