Finding the Fourth Proportional to 139,625.78, 209,359.33 and 95,306.18

Step by Step Solution

1. Step 1: Write the proportion equation
   139,625.78 : 209,359.33 = 95,306.18 : x
2. Step 2: Convert to fraction form
   139,625.78/209,359.33 = 95,306.18/x
3. Step 3: Cross multiply
   139,625.78x = 209,359.33 × 95,306.18
4. Step 4: Simplify right side
   139,625.78x = 19,953,236,704.60
5. Step 5: Solve for x
   x = 19,953,236,704.60/139,625.78
6. Step 6: Final answer
   x = 142,905.11