Finding the Fourth Proportional to 2,627.35, 3,940.58 and 983.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.35 : 3,940.58 = 983.45 : x
2. Step 2: Convert to fraction form
   2,627.35/3,940.58 = 983.45/x
3. Step 3: Cross multiply
   2,627.35x = 3,940.58 × 983.45
4. Step 4: Simplify right side
   2,627.35x = 3,875,375.71
5. Step 5: Solve for x
   x = 3,875,375.71/2,627.35
6. Step 6: Final answer
   x = 1,475.01