Finding the Fourth Proportional to 1,084.32, 1,619.46 and 938.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.32 : 1,619.46 = 938.52 : x
2. Step 2: Convert to fraction form
   1,084.32/1,619.46 = 938.52/x
3. Step 3: Cross multiply
   1,084.32x = 1,619.46 × 938.52
4. Step 4: Simplify right side
   1,084.32x = 1,519,895.60
5. Step 5: Solve for x
   x = 1,519,895.60/1,084.32
6. Step 6: Final answer
   x = 1,401.70