Finding the Fourth Proportional to 2,810,771.31, 3,878,863.56 and 1,521,610.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,771.31 : 3,878,863.56 = 1,521,610.76 : x
2. Step 2: Convert to fraction form
   2,810,771.31/3,878,863.56 = 1,521,610.76/x
3. Step 3: Cross multiply
   2,810,771.31x = 3,878,863.56 × 1,521,610.76
4. Step 4: Simplify right side
   2,810,771.31x = 5,902,120,510,073.59
5. Step 5: Solve for x
   x = 5,902,120,510,073.59/2,810,771.31
6. Step 6: Final answer
   x = 2,099,822.38