Finding the Fourth Proportional to 1,582.56, 2,374.25 and 1,385.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582.56 : 2,374.25 = 1,385.73 : x
2. Step 2: Convert to fraction form
   1,582.56/2,374.25 = 1,385.73/x
3. Step 3: Cross multiply
   1,582.56x = 2,374.25 × 1,385.73
4. Step 4: Simplify right side
   1,582.56x = 3,290,062.52
5. Step 5: Solve for x
   x = 3,290,062.52/1,582.56
6. Step 6: Final answer
   x = 2,078.95