Finding the Fourth Proportional to 2,340,936.55, 3,511,404.72 and 658,040.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,340,936.55 : 3,511,404.72 = 658,040.05 : x
2. Step 2: Convert to fraction form
   2,340,936.55/3,511,404.72 = 658,040.05/x
3. Step 3: Cross multiply
   2,340,936.55x = 3,511,404.72 × 658,040.05
4. Step 4: Simplify right side
   2,340,936.55x = 2,310,644,937,519.04
5. Step 5: Solve for x
   x = 2,310,644,937,519.04/2,340,936.55
6. Step 6: Final answer
   x = 987,060.05