Finding the Fourth Proportional to 1,410.53, 1,945.94 and 879.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.53 : 1,945.94 = 879.03 : x
2. Step 2: Convert to fraction form
   1,410.53/1,945.94 = 879.03/x
3. Step 3: Cross multiply
   1,410.53x = 1,945.94 × 879.03
4. Step 4: Simplify right side
   1,410.53x = 1,710,535.24
5. Step 5: Solve for x
   x = 1,710,535.24/1,410.53
6. Step 6: Final answer
   x = 1,212.69