Finding the Fourth Proportional to 139,211.45, 208,548.35 and 83,096.27

Step by Step Solution

1. Step 1: Write the proportion equation
   139,211.45 : 208,548.35 = 83,096.27 : x
2. Step 2: Convert to fraction form
   139,211.45/208,548.35 = 83,096.27/x
3. Step 3: Cross multiply
   139,211.45x = 208,548.35 × 83,096.27
4. Step 4: Simplify right side
   139,211.45x = 17,329,589,999.65
5. Step 5: Solve for x
   x = 17,329,589,999.65/139,211.45
6. Step 6: Final answer
   x = 124,483.94