Finding the Fourth Proportional to 1,410.01, 2,111.67 and 823.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.01 : 2,111.67 = 823.54 : x
2. Step 2: Convert to fraction form
   1,410.01/2,111.67 = 823.54/x
3. Step 3: Cross multiply
   1,410.01x = 2,111.67 × 823.54
4. Step 4: Simplify right side
   1,410.01x = 1,739,049.33
5. Step 5: Solve for x
   x = 1,739,049.33/1,410.01
6. Step 6: Final answer
   x = 1,233.36