Finding the Fourth Proportional to 2,030.86, 3,047.94 and 1,057.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.86 : 3,047.94 = 1,057.24 : x
2. Step 2: Convert to fraction form
   2,030.86/3,047.94 = 1,057.24/x
3. Step 3: Cross multiply
   2,030.86x = 3,047.94 × 1,057.24
4. Step 4: Simplify right side
   2,030.86x = 3,222,404.09
5. Step 5: Solve for x
   x = 3,222,404.09/2,030.86
6. Step 6: Final answer
   x = 1,586.72