Finding the Fourth Proportional to 2,038,591.71, 3,057,906.18 and 618,647.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038,591.71 : 3,057,906.18 = 618,647.94 : x
2. Step 2: Convert to fraction form
   2,038,591.71/3,057,906.18 = 618,647.94/x
3. Step 3: Cross multiply
   2,038,591.71x = 3,057,906.18 × 618,647.94
4. Step 4: Simplify right side
   2,038,591.71x = 1,891,767,358,970.27
5. Step 5: Solve for x
   x = 1,891,767,358,970.27/2,038,591.71
6. Step 6: Final answer
   x = 927,977.56