Finding the Fourth Proportional to 1,217.34, 1,680.46 and 937.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217.34 : 1,680.46 = 937.46 : x
2. Step 2: Convert to fraction form
   1,217.34/1,680.46 = 937.46/x
3. Step 3: Cross multiply
   1,217.34x = 1,680.46 × 937.46
4. Step 4: Simplify right side
   1,217.34x = 1,575,365.89
5. Step 5: Solve for x
   x = 1,575,365.89/1,217.34
6. Step 6: Final answer
   x = 1,294.11