Finding the Fourth Proportional to 1,061.32, 1,592.05 and 444.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.32 : 1,592.05 = 444.40 : x
2. Step 2: Convert to fraction form
   1,061.32/1,592.05 = 444.40/x
3. Step 3: Cross multiply
   1,061.32x = 1,592.05 × 444.40
4. Step 4: Simplify right side
   1,061.32x = 707,508.73
5. Step 5: Solve for x
   x = 707,508.73/1,061.32
6. Step 6: Final answer
   x = 666.63