Finding the Fourth Proportional to 1,376.40, 1,897.56 and 951.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.40 : 1,897.56 = 951.06 : x
2. Step 2: Convert to fraction form
   1,376.40/1,897.56 = 951.06/x
3. Step 3: Cross multiply
   1,376.40x = 1,897.56 × 951.06
4. Step 4: Simplify right side
   1,376.40x = 1,804,693.41
5. Step 5: Solve for x
   x = 1,804,693.41/1,376.40
6. Step 6: Final answer
   x = 1,311.17