Finding the Fourth Proportional to 1,892.11, 2,610.27 and 1,105.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.11 : 2,610.27 = 1,105.81 : x
2. Step 2: Convert to fraction form
   1,892.11/2,610.27 = 1,105.81/x
3. Step 3: Cross multiply
   1,892.11x = 2,610.27 × 1,105.81
4. Step 4: Simplify right side
   1,892.11x = 2,886,462.67
5. Step 5: Solve for x
   x = 2,886,462.67/1,892.11
6. Step 6: Final answer
   x = 1,525.53