Finding the Fourth Proportional to 1,771.52, 2,444.42 and 985.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,771.52 : 2,444.42 = 985.54 : x
2. Step 2: Convert to fraction form
   1,771.52/2,444.42 = 985.54/x
3. Step 3: Cross multiply
   1,771.52x = 2,444.42 × 985.54
4. Step 4: Simplify right side
   1,771.52x = 2,409,073.69
5. Step 5: Solve for x
   x = 2,409,073.69/1,771.52
6. Step 6: Final answer
   x = 1,359.89