Finding the Fourth Proportional to 2,146,910.78, 2,959,462.05 and 1,819,013.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,910.78 : 2,959,462.05 = 1,819,013.60 : x
2. Step 2: Convert to fraction form
   2,146,910.78/2,959,462.05 = 1,819,013.60/x
3. Step 3: Cross multiply
   2,146,910.78x = 2,959,462.05 × 1,819,013.60
4. Step 4: Simplify right side
   2,146,910.78x = 5,383,301,717,633.88
5. Step 5: Solve for x
   x = 5,383,301,717,633.88/2,146,910.78
6. Step 6: Final answer
   x = 2,507,464.11