Finding the Fourth Proportional to 139,606.02, 209,329.56 and 95,286.46

Step by Step Solution

1. Step 1: Write the proportion equation
   139,606.02 : 209,329.56 = 95,286.46 : x
2. Step 2: Convert to fraction form
   139,606.02/209,329.56 = 95,286.46/x
3. Step 3: Cross multiply
   139,606.02x = 209,329.56 × 95,286.46
4. Step 4: Simplify right side
   139,606.02x = 19,946,272,745.76
5. Step 5: Solve for x
   x = 19,946,272,745.76/139,606.02
6. Step 6: Final answer
   x = 142,875.45