Finding the Fourth Proportional to 155,456.82, 233,185.34 and 43,137.15

Step by Step Solution

1. Step 1: Write the proportion equation
   155,456.82 : 233,185.34 = 43,137.15 : x
2. Step 2: Convert to fraction form
   155,456.82/233,185.34 = 43,137.15/x
3. Step 3: Cross multiply
   155,456.82x = 233,185.34 × 43,137.15
4. Step 4: Simplify right side
   155,456.82x = 10,058,950,989.38
5. Step 5: Solve for x
   x = 10,058,950,989.38/155,456.82
6. Step 6: Final answer
   x = 64,705.76