Finding the Fourth Proportional to 2,810,830.56, 3,878,928.42 and 1,521,661.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,830.56 : 3,878,928.42 = 1,521,661.56 : x
2. Step 2: Convert to fraction form
   2,810,830.56/3,878,928.42 = 1,521,661.56/x
3. Step 3: Cross multiply
   2,810,830.56x = 3,878,928.42 × 1,521,661.56
4. Step 4: Simplify right side
   2,810,830.56x = 5,902,416,270,705.54
5. Step 5: Solve for x
   x = 5,902,416,270,705.54/2,810,830.56
6. Step 6: Final answer
   x = 2,099,883.34