Finding the Fourth Proportional to 1,106.56, 1,654.89 and 983.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.56 : 1,654.89 = 983.95 : x
2. Step 2: Convert to fraction form
   1,106.56/1,654.89 = 983.95/x
3. Step 3: Cross multiply
   1,106.56x = 1,654.89 × 983.95
4. Step 4: Simplify right side
   1,106.56x = 1,628,329.02
5. Step 5: Solve for x
   x = 1,628,329.02/1,106.56
6. Step 6: Final answer
   x = 1,471.52