Finding the Fourth Proportional to 137,111.72, 205,665.42 and 73,961.24

Step by Step Solution

1. Step 1: Write the proportion equation
   137,111.72 : 205,665.42 = 73,961.24 : x
2. Step 2: Convert to fraction form
   137,111.72/205,665.42 = 73,961.24/x
3. Step 3: Cross multiply
   137,111.72x = 205,665.42 × 73,961.24
4. Step 4: Simplify right side
   137,111.72x = 15,211,269,488.32
5. Step 5: Solve for x
   x = 15,211,269,488.32/137,111.72
6. Step 6: Final answer
   x = 110,940.69