Finding the Fourth Proportional to 1,909.52, 2,635.58 and 1,123.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,909.52 : 2,635.58 = 1,123.82 : x
2. Step 2: Convert to fraction form
   1,909.52/2,635.58 = 1,123.82/x
3. Step 3: Cross multiply
   1,909.52x = 2,635.58 × 1,123.82
4. Step 4: Simplify right side
   1,909.52x = 2,961,917.52
5. Step 5: Solve for x
   x = 2,961,917.52/1,909.52
6. Step 6: Final answer
   x = 1,551.13