Finding the Fourth Proportional to 1,920,864.96, 2,647,730.72 and 1,512,319.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920,864.96 : 2,647,730.72 = 1,512,319.68 : x
2. Step 2: Convert to fraction form
   1,920,864.96/2,647,730.72 = 1,512,319.68/x
3. Step 3: Cross multiply
   1,920,864.96x = 2,647,730.72 × 1,512,319.68
4. Step 4: Simplify right side
   1,920,864.96x = 4,004,215,275,196.57
5. Step 5: Solve for x
   x = 4,004,215,275,196.57/1,920,864.96
6. Step 6: Final answer
   x = 2,084,589.68