Finding the Fourth Proportional to 2,583.79, 3,876.72 and 940.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583.79 : 3,876.72 = 940.45 : x
2. Step 2: Convert to fraction form
   2,583.79/3,876.72 = 940.45/x
3. Step 3: Cross multiply
   2,583.79x = 3,876.72 × 940.45
4. Step 4: Simplify right side
   2,583.79x = 3,645,861.32
5. Step 5: Solve for x
   x = 3,645,861.32/2,583.79
6. Step 6: Final answer
   x = 1,411.05