Finding the Fourth Proportional to 2,178,638.98, 3,261,647.71 and 1,641,158.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,638.98 : 3,261,647.71 = 1,641,158.87 : x
2. Step 2: Convert to fraction form
   2,178,638.98/3,261,647.71 = 1,641,158.87/x
3. Step 3: Cross multiply
   2,178,638.98x = 3,261,647.71 × 1,641,158.87
4. Step 4: Simplify right side
   2,178,638.98x = 5,352,882,064,940.15
5. Step 5: Solve for x
   x = 5,352,882,064,940.15/2,178,638.98
6. Step 6: Final answer
   x = 2,456,984.44