Finding the Fourth Proportional to 139,096.56, 208,304.56 and 125,618.16

Step by Step Solution

1. Step 1: Write the proportion equation
   139,096.56 : 208,304.56 = 125,618.16 : x
2. Step 2: Convert to fraction form
   139,096.56/208,304.56 = 125,618.16/x
3. Step 3: Cross multiply
   139,096.56x = 208,304.56 × 125,618.16
4. Step 4: Simplify right side
   139,096.56x = 26,166,835,546.81
5. Step 5: Solve for x
   x = 26,166,835,546.81/139,096.56
6. Step 6: Final answer
   x = 188,119.93