Finding the Fourth Proportional to 1,941.15, 2,678.83 and 1,057.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,941.15 : 2,678.83 = 1,057.00 : x
2. Step 2: Convert to fraction form
   1,941.15/2,678.83 = 1,057.00/x
3. Step 3: Cross multiply
   1,941.15x = 2,678.83 × 1,057.00
4. Step 4: Simplify right side
   1,941.15x = 2,831,516.61
5. Step 5: Solve for x
   x = 2,831,516.61/1,941.15
6. Step 6: Final answer
   x = 1,458.68