Finding the Fourth Proportional to 2,378,443.92, 3,282,254.71 and 1,290,715.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378,443.92 : 3,282,254.71 = 1,290,715.49 : x
2. Step 2: Convert to fraction form
   2,378,443.92/3,282,254.71 = 1,290,715.49/x
3. Step 3: Cross multiply
   2,378,443.92x = 3,282,254.71 × 1,290,715.49
4. Step 4: Simplify right side
   2,378,443.92x = 4,236,457,008,561.58
5. Step 5: Solve for x
   x = 4,236,457,008,561.58/2,378,443.92
6. Step 6: Final answer
   x = 1,781,188.52