Finding the Fourth Proportional to 1,892.54, 2,611.31 and 1,106.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.54 : 2,611.31 = 1,106.43 : x
2. Step 2: Convert to fraction form
   1,892.54/2,611.31 = 1,106.43/x
3. Step 3: Cross multiply
   1,892.54x = 2,611.31 × 1,106.43
4. Step 4: Simplify right side
   1,892.54x = 2,889,231.72
5. Step 5: Solve for x
   x = 2,889,231.72/1,892.54
6. Step 6: Final answer
   x = 1,526.65