Finding the Fourth Proportional to 1,892.12, 2,611.10 and 1,052.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.12 : 2,611.10 = 1,052.82 : x
2. Step 2: Convert to fraction form
   1,892.12/2,611.10 = 1,052.82/x
3. Step 3: Cross multiply
   1,892.12x = 2,611.10 × 1,052.82
4. Step 4: Simplify right side
   1,892.12x = 2,749,018.30
5. Step 5: Solve for x
   x = 2,749,018.30/1,892.12
6. Step 6: Final answer
   x = 1,452.88