Finding the Fourth Proportional to 1,727.90, 2,384.37 and 981.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,727.90 : 2,384.37 = 981.87 : x
2. Step 2: Convert to fraction form
   1,727.90/2,384.37 = 981.87/x
3. Step 3: Cross multiply
   1,727.90x = 2,384.37 × 981.87
4. Step 4: Simplify right side
   1,727.90x = 2,341,141.37
5. Step 5: Solve for x
   x = 2,341,141.37/1,727.90
6. Step 6: Final answer
   x = 1,354.91