Finding the Fourth Proportional to 3,875,391.69, 5,813,116.71 and 1,478,591.97

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875,391.69 : 5,813,116.71 = 1,478,591.97 : x
2. Step 2: Convert to fraction form
   3,875,391.69/5,813,116.71 = 1,478,591.97/x
3. Step 3: Cross multiply
   3,875,391.69x = 5,813,116.71 × 1,478,591.97
4. Step 4: Simplify right side
   3,875,391.69x = 8,595,227,688,078.82
5. Step 5: Solve for x
   x = 8,595,227,688,078.82/3,875,391.69
6. Step 6: Final answer
   x = 2,217,899.09