Finding the Fourth Proportional to 1,909.05, 2,634.34 and 1,112.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,909.05 : 2,634.34 = 1,112.34 : x
2. Step 2: Convert to fraction form
   1,909.05/2,634.34 = 1,112.34/x
3. Step 3: Cross multiply
   1,909.05x = 2,634.34 × 1,112.34
4. Step 4: Simplify right side
   1,909.05x = 2,930,281.76
5. Step 5: Solve for x
   x = 2,930,281.76/1,909.05
6. Step 6: Final answer
   x = 1,534.94