Finding the Fourth Proportional to 2,583.05, 3,873.35 and 938.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583.05 : 3,873.35 = 938.45 : x
2. Step 2: Convert to fraction form
   2,583.05/3,873.35 = 938.45/x
3. Step 3: Cross multiply
   2,583.05x = 3,873.35 × 938.45
4. Step 4: Simplify right side
   2,583.05x = 3,634,957.34
5. Step 5: Solve for x
   x = 3,634,957.34/2,583.05
6. Step 6: Final answer
   x = 1,407.24