Finding the Fourth Proportional to 1,410.26, 1,945.53 and 912.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.26 : 1,945.53 = 912.92 : x
2. Step 2: Convert to fraction form
   1,410.26/1,945.53 = 912.92/x
3. Step 3: Cross multiply
   1,410.26x = 1,945.53 × 912.92
4. Step 4: Simplify right side
   1,410.26x = 1,776,103.52
5. Step 5: Solve for x
   x = 1,776,103.52/1,410.26
6. Step 6: Final answer
   x = 1,259.42