Finding the Fourth Proportional to 2,810,456.28, 4,215,400.71 and 1,905,449.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,456.28 : 4,215,400.71 = 1,905,449.62 : x
2. Step 2: Convert to fraction form
   2,810,456.28/4,215,400.71 = 1,905,449.62/x
3. Step 3: Cross multiply
   2,810,456.28x = 4,215,400.71 × 1,905,449.62
4. Step 4: Simplify right side
   2,810,456.28x = 8,032,233,679,393.86
5. Step 5: Solve for x
   x = 8,032,233,679,393.86/2,810,456.28
6. Step 6: Final answer
   x = 2,857,982.08