Finding the Fourth Proportional to 1,923.02, 2,885.79 and 1,057.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,923.02 : 2,885.79 = 1,057.94 : x
2. Step 2: Convert to fraction form
   1,923.02/2,885.79 = 1,057.94/x
3. Step 3: Cross multiply
   1,923.02x = 2,885.79 × 1,057.94
4. Step 4: Simplify right side
   1,923.02x = 3,052,992.67
5. Step 5: Solve for x
   x = 3,052,992.67/1,923.02
6. Step 6: Final answer
   x = 1,587.60