Finding the Fourth Proportional to 1,045.40, 1,560.82 and 941.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.40 : 1,560.82 = 941.72 : x
2. Step 2: Convert to fraction form
   1,045.40/1,560.82 = 941.72/x
3. Step 3: Cross multiply
   1,045.40x = 1,560.82 × 941.72
4. Step 4: Simplify right side
   1,045.40x = 1,469,855.41
5. Step 5: Solve for x
   x = 1,469,855.41/1,045.40
6. Step 6: Final answer
   x = 1,406.02