Finding the Fourth Proportional to 1,892.44, 2,611.61 and 1,106.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.44 : 2,611.61 = 1,106.74 : x
2. Step 2: Convert to fraction form
   1,892.44/2,611.61 = 1,106.74/x
3. Step 3: Cross multiply
   1,892.44x = 2,611.61 × 1,106.74
4. Step 4: Simplify right side
   1,892.44x = 2,890,373.25
5. Step 5: Solve for x
   x = 2,890,373.25/1,892.44
6. Step 6: Final answer
   x = 1,527.33