Finding the Fourth Proportional to 1,065.31, 1,470.31 and 981.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.31 : 1,470.31 = 981.92 : x
2. Step 2: Convert to fraction form
   1,065.31/1,470.31 = 981.92/x
3. Step 3: Cross multiply
   1,065.31x = 1,470.31 × 981.92
4. Step 4: Simplify right side
   1,065.31x = 1,443,728.02
5. Step 5: Solve for x
   x = 1,443,728.02/1,065.31
6. Step 6: Final answer
   x = 1,355.22