Finding the Fourth Proportional to 1,928,478, 2,661,120.72 and 1,068,965.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928,478 : 2,661,120.72 = 1,068,965.16 : x
2. Step 2: Convert to fraction form
   1,928,478/2,661,120.72 = 1,068,965.16/x
3. Step 3: Cross multiply
   1,928,478x = 2,661,120.72 × 1,068,965.16
4. Step 4: Simplify right side
   1,928,478x = 2,844,645,336,234.12
5. Step 5: Solve for x
   x = 2,844,645,336,234.12/1,928,478
6. Step 6: Final answer
   x = 1,475,072.74