Finding the Fourth Proportional to 139,915.45, 209,796.22 and 95,592.25

Step by Step Solution

1. Step 1: Write the proportion equation
   139,915.45 : 209,796.22 = 95,592.25 : x
2. Step 2: Convert to fraction form
   139,915.45/209,796.22 = 95,592.25/x
3. Step 3: Cross multiply
   139,915.45x = 209,796.22 × 95,592.25
4. Step 4: Simplify right side
   139,915.45x = 20,054,892,711.30
5. Step 5: Solve for x
   x = 20,054,892,711.30/139,915.45
6. Step 6: Final answer
   x = 143,335.80