Finding the Fourth Proportional to 155,315.82, 232,974.06 and 42,996.36

Step by Step Solution

1. Step 1: Write the proportion equation
   155,315.82 : 232,974.06 = 42,996.36 : x
2. Step 2: Convert to fraction form
   155,315.82/232,974.06 = 42,996.36/x
3. Step 3: Cross multiply
   155,315.82x = 232,974.06 × 42,996.36
4. Step 4: Simplify right side
   155,315.82x = 10,017,036,554.42
5. Step 5: Solve for x
   x = 10,017,036,554.42/155,315.82
6. Step 6: Final answer
   x = 64,494.63