Finding the Fourth Proportional to 1,585.27, 2,187.76 and 996.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,585.27 : 2,187.76 = 996.00 : x
2. Step 2: Convert to fraction form
   1,585.27/2,187.76 = 996.00/x
3. Step 3: Cross multiply
   1,585.27x = 2,187.76 × 996.00
4. Step 4: Simplify right side
   1,585.27x = 2,179,000.13
5. Step 5: Solve for x
   x = 2,179,000.13/1,585.27
6. Step 6: Final answer
   x = 1,374.53