Finding the Fourth Proportional to 1,511.58, 2,085.27 and 1,069.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511.58 : 2,085.27 = 1,069.73 : x
2. Step 2: Convert to fraction form
   1,511.58/2,085.27 = 1,069.73/x
3. Step 3: Cross multiply
   1,511.58x = 2,085.27 × 1,069.73
4. Step 4: Simplify right side
   1,511.58x = 2,230,665.45
5. Step 5: Solve for x
   x = 2,230,665.45/1,511.58
6. Step 6: Final answer
   x = 1,475.72