Finding the Fourth Proportional to 1,466.72, 2,201.60 and 983.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,466.72 : 2,201.60 = 983.15 : x
2. Step 2: Convert to fraction form
   1,466.72/2,201.60 = 983.15/x
3. Step 3: Cross multiply
   1,466.72x = 2,201.60 × 983.15
4. Step 4: Simplify right side
   1,466.72x = 2,164,503.04
5. Step 5: Solve for x
   x = 2,164,503.04/1,466.72
6. Step 6: Final answer
   x = 1,475.74