Finding the Fourth Proportional to 139,614.15, 209,341.89 and 95,294.55

Step by Step Solution

1. Step 1: Write the proportion equation
   139,614.15 : 209,341.89 = 95,294.55 : x
2. Step 2: Convert to fraction form
   139,614.15/209,341.89 = 95,294.55/x
3. Step 3: Cross multiply
   139,614.15x = 209,341.89 × 95,294.55
4. Step 4: Simplify right side
   139,614.15x = 19,949,141,203.70
5. Step 5: Solve for x
   x = 19,949,141,203.70/139,614.15
6. Step 6: Final answer
   x = 142,887.67