Finding the Fourth Proportional to 1,911,128.88, 2,637,291.72 and 1,051,608.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,911,128.88 : 2,637,291.72 = 1,051,608.72 : x
2. Step 2: Convert to fraction form
   1,911,128.88/2,637,291.72 = 1,051,608.72/x
3. Step 3: Cross multiply
   1,911,128.88x = 2,637,291.72 × 1,051,608.72
4. Step 4: Simplify right side
   1,911,128.88x = 2,773,398,969,935.80
5. Step 5: Solve for x
   x = 2,773,398,969,935.80/1,911,128.88
6. Step 6: Final answer
   x = 1,451,183.64