Finding the Fourth Proportional to 1,423.52, 1,963.32 and 981.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.52 : 1,963.32 = 981.32 : x
2. Step 2: Convert to fraction form
   1,423.52/1,963.32 = 981.32/x
3. Step 3: Cross multiply
   1,423.52x = 1,963.32 × 981.32
4. Step 4: Simplify right side
   1,423.52x = 1,926,645.18
5. Step 5: Solve for x
   x = 1,926,645.18/1,423.52
6. Step 6: Final answer
   x = 1,353.44