Finding the Fourth Proportional to 1,909.34, 2,635.32 and 1,123.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,909.34 : 2,635.32 = 1,123.52 : x
2. Step 2: Convert to fraction form
   1,909.34/2,635.32 = 1,123.52/x
3. Step 3: Cross multiply
   1,909.34x = 2,635.32 × 1,123.52
4. Step 4: Simplify right side
   1,909.34x = 2,960,834.73
5. Step 5: Solve for x
   x = 2,960,834.73/1,909.34
6. Step 6: Final answer
   x = 1,550.71