Finding the Fourth Proportional to 1,667.34, 2,497.12 and 843.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.34 : 2,497.12 = 843.62 : x
2. Step 2: Convert to fraction form
   1,667.34/2,497.12 = 843.62/x
3. Step 3: Cross multiply
   1,667.34x = 2,497.12 × 843.62
4. Step 4: Simplify right side
   1,667.34x = 2,106,605.78
5. Step 5: Solve for x
   x = 2,106,605.78/1,667.34
6. Step 6: Final answer
   x = 1,263.45