Finding the Fourth Proportional to 1,585.37, 2,188.01 and 955.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,585.37 : 2,188.01 = 955.94 : x
2. Step 2: Convert to fraction form
   1,585.37/2,188.01 = 955.94/x
3. Step 3: Cross multiply
   1,585.37x = 2,188.01 × 955.94
4. Step 4: Simplify right side
   1,585.37x = 2,091,597.73
5. Step 5: Solve for x
   x = 2,091,597.73/1,585.37
6. Step 6: Final answer
   x = 1,319.31