Finding the Fourth Proportional to 1,155.00, 1,731.76 and 981.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.00 : 1,731.76 = 981.73 : x
2. Step 2: Convert to fraction form
   1,155.00/1,731.76 = 981.73/x
3. Step 3: Cross multiply
   1,155.00x = 1,731.76 × 981.73
4. Step 4: Simplify right side
   1,155.00x = 1,700,120.46
5. Step 5: Solve for x
   x = 1,700,120.46/1,155.00
6. Step 6: Final answer
   x = 1,471.96