Finding the Fourth Proportional to 2,810,726.12, 3,878,797.56 and 1,521,566.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,726.12 : 3,878,797.56 = 1,521,566.16 : x
2. Step 2: Convert to fraction form
   2,810,726.12/3,878,797.56 = 1,521,566.16/x
3. Step 3: Cross multiply
   2,810,726.12x = 3,878,797.56 × 1,521,566.16
4. Step 4: Simplify right side
   2,810,726.12x = 5,901,847,108,786.57
5. Step 5: Solve for x
   x = 5,901,847,108,786.57/2,810,726.12
6. Step 6: Final answer
   x = 2,099,758.87