Finding the Fourth Proportional to 1,123.61, 1,692.16 and 951.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.61 : 1,692.16 = 951.41 : x
2. Step 2: Convert to fraction form
   1,123.61/1,692.16 = 951.41/x
3. Step 3: Cross multiply
   1,123.61x = 1,692.16 × 951.41
4. Step 4: Simplify right side
   1,123.61x = 1,609,939.80
5. Step 5: Solve for x
   x = 1,609,939.80/1,123.61
6. Step 6: Final answer
   x = 1,432.83