Finding the Fourth Proportional to 2,091,257.10, 3,139,996.05 and 1,618,476.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091,257.10 : 3,139,996.05 = 1,618,476.30 : x
2. Step 2: Convert to fraction form
   2,091,257.10/3,139,996.05 = 1,618,476.30/x
3. Step 3: Cross multiply
   2,091,257.10x = 3,139,996.05 × 1,618,476.30
4. Step 4: Simplify right side
   2,091,257.10x = 5,082,009,189,018.62
5. Step 5: Solve for x
   x = 5,082,009,189,018.62/2,091,257.10
6. Step 6: Final answer
   x = 2,430,121.67