Finding the Fourth Proportional to 139,945.02, 209,979.41 and 73,369.23

Step by Step Solution

1. Step 1: Write the proportion equation
   139,945.02 : 209,979.41 = 73,369.23 : x
2. Step 2: Convert to fraction form
   139,945.02/209,979.41 = 73,369.23/x
3. Step 3: Cross multiply
   139,945.02x = 209,979.41 × 73,369.23
4. Step 4: Simplify right side
   139,945.02x = 15,406,027,260.71
5. Step 5: Solve for x
   x = 15,406,027,260.71/139,945.02
6. Step 6: Final answer
   x = 110,086.28