Finding the Fourth Proportional to 2,164,564.90, 3,247,308.15 and 668,808.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164,564.90 : 3,247,308.15 = 668,808.10 : x
2. Step 2: Convert to fraction form
   2,164,564.90/3,247,308.15 = 668,808.10/x
3. Step 3: Cross multiply
   2,164,564.90x = 3,247,308.15 × 668,808.10
4. Step 4: Simplify right side
   2,164,564.90x = 2,171,825,993,916.02
5. Step 5: Solve for x
   x = 2,171,825,993,916.02/2,164,564.90
6. Step 6: Final answer
   x = 1,003,354.53