Finding the Fourth Proportional to 2,057.46, 2,840.22 and 1,430.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.46 : 2,840.22 = 1,430.10 : x
2. Step 2: Convert to fraction form
   2,057.46/2,840.22 = 1,430.10/x
3. Step 3: Cross multiply
   2,057.46x = 2,840.22 × 1,430.10
4. Step 4: Simplify right side
   2,057.46x = 4,061,798.62
5. Step 5: Solve for x
   x = 4,061,798.62/2,057.46
6. Step 6: Final answer
   x = 1,974.18