Finding the Fourth Proportional to 1,407.87, 1,942.95 and 1,036.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407.87 : 1,942.95 = 1,036.54 : x
2. Step 2: Convert to fraction form
   1,407.87/1,942.95 = 1,036.54/x
3. Step 3: Cross multiply
   1,407.87x = 1,942.95 × 1,036.54
4. Step 4: Simplify right side
   1,407.87x = 2,013,945.39
5. Step 5: Solve for x
   x = 2,013,945.39/1,407.87
6. Step 6: Final answer
   x = 1,430.49