Finding the Fourth Proportional to 1,610.37, 2,222.51 and 946.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.37 : 2,222.51 = 946.98 : x
2. Step 2: Convert to fraction form
   1,610.37/2,222.51 = 946.98/x
3. Step 3: Cross multiply
   1,610.37x = 2,222.51 × 946.98
4. Step 4: Simplify right side
   1,610.37x = 2,104,667.78
5. Step 5: Solve for x
   x = 2,104,667.78/1,610.37
6. Step 6: Final answer
   x = 1,306.95