Finding the Fourth Proportional to 1,892.22, 2,611.18 and 1,052.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.22 : 2,611.18 = 1,052.89 : x
2. Step 2: Convert to fraction form
   1,892.22/2,611.18 = 1,052.89/x
3. Step 3: Cross multiply
   1,892.22x = 2,611.18 × 1,052.89
4. Step 4: Simplify right side
   1,892.22x = 2,749,285.31
5. Step 5: Solve for x
   x = 2,749,285.31/1,892.22
6. Step 6: Final answer
   x = 1,452.95