Finding the Fourth Proportional to 1,892.73, 2,611.92 and 1,053.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.73 : 2,611.92 = 1,053.42 : x
2. Step 2: Convert to fraction form
   1,892.73/2,611.92 = 1,053.42/x
3. Step 3: Cross multiply
   1,892.73x = 2,611.92 × 1,053.42
4. Step 4: Simplify right side
   1,892.73x = 2,751,448.77
5. Step 5: Solve for x
   x = 2,751,448.77/1,892.73
6. Step 6: Final answer
   x = 1,453.69