Finding the Fourth Proportional to 2,625.69, 3,940.35 and 983.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,625.69 : 3,940.35 = 983.55 : x
2. Step 2: Convert to fraction form
   2,625.69/3,940.35 = 983.55/x
3. Step 3: Cross multiply
   2,625.69x = 3,940.35 × 983.55
4. Step 4: Simplify right side
   2,625.69x = 3,875,531.24
5. Step 5: Solve for x
   x = 3,875,531.24/2,625.69
6. Step 6: Final answer
   x = 1,476.00