Finding the Fourth Proportional to 1,671.34, 2,306.82 and 973.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,671.34 : 2,306.82 = 973.12 : x
2. Step 2: Convert to fraction form
   1,671.34/2,306.82 = 973.12/x
3. Step 3: Cross multiply
   1,671.34x = 2,306.82 × 973.12
4. Step 4: Simplify right side
   1,671.34x = 2,244,812.68
5. Step 5: Solve for x
   x = 2,244,812.68/1,671.34
6. Step 6: Final answer
   x = 1,343.12