Finding the Fourth Proportional to 1,061.21, 1,583.30 and 944.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.21 : 1,583.30 = 944.27 : x
2. Step 2: Convert to fraction form
   1,061.21/1,583.30 = 944.27/x
3. Step 3: Cross multiply
   1,061.21x = 1,583.30 × 944.27
4. Step 4: Simplify right side
   1,061.21x = 1,495,063.07
5. Step 5: Solve for x
   x = 1,495,063.07/1,061.21
6. Step 6: Final answer
   x = 1,408.83