Finding the Fourth Proportional to 139,586.76, 209,300.56 and 95,267.16

Step by Step Solution

1. Step 1: Write the proportion equation
   139,586.76 : 209,300.56 = 95,267.16 : x
2. Step 2: Convert to fraction form
   139,586.76/209,300.56 = 95,267.16/x
3. Step 3: Cross multiply
   139,586.76x = 209,300.56 × 95,267.16
4. Step 4: Simplify right side
   139,586.76x = 19,939,469,937.61
5. Step 5: Solve for x
   x = 19,939,469,937.61/139,586.76
6. Step 6: Final answer
   x = 142,846.43