Finding the Fourth Proportional to 1,607.81, 2,218.59 and 944.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.81 : 2,218.59 = 944.42 : x
2. Step 2: Convert to fraction form
   1,607.81/2,218.59 = 944.42/x
3. Step 3: Cross multiply
   1,607.81x = 2,218.59 × 944.42
4. Step 4: Simplify right side
   1,607.81x = 2,095,269.67
5. Step 5: Solve for x
   x = 2,095,269.67/1,607.81
6. Step 6: Final answer
   x = 1,303.19