Finding the Fourth Proportional to 2,705.74, 4,058.86 and 757.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,705.74 : 4,058.86 = 757.94 : x
2. Step 2: Convert to fraction form
   2,705.74/4,058.86 = 757.94/x
3. Step 3: Cross multiply
   2,705.74x = 4,058.86 × 757.94
4. Step 4: Simplify right side
   2,705.74x = 3,076,372.35
5. Step 5: Solve for x
   x = 3,076,372.35/2,705.74
6. Step 6: Final answer
   x = 1,136.98