Finding the Fourth Proportional to 1,892.34, 2,611.56 and 1,106.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.34 : 2,611.56 = 1,106.64 : x
2. Step 2: Convert to fraction form
   1,892.34/2,611.56 = 1,106.64/x
3. Step 3: Cross multiply
   1,892.34x = 2,611.56 × 1,106.64
4. Step 4: Simplify right side
   1,892.34x = 2,890,056.76
5. Step 5: Solve for x
   x = 2,890,056.76/1,892.34
6. Step 6: Final answer
   x = 1,527.24