Finding the Fourth Proportional to 1,727.89, 2,384.54 and 981.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,727.89 : 2,384.54 = 981.88 : x
2. Step 2: Convert to fraction form
   1,727.89/2,384.54 = 981.88/x
3. Step 3: Cross multiply
   1,727.89x = 2,384.54 × 981.88
4. Step 4: Simplify right side
   1,727.89x = 2,341,332.14
5. Step 5: Solve for x
   x = 2,341,332.14/1,727.89
6. Step 6: Final answer
   x = 1,355.02