Finding the Fourth Proportional to 1,375.32, 1,897.43 and 949.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.32 : 1,897.43 = 949.91 : x
2. Step 2: Convert to fraction form
   1,375.32/1,897.43 = 949.91/x
3. Step 3: Cross multiply
   1,375.32x = 1,897.43 × 949.91
4. Step 4: Simplify right side
   1,375.32x = 1,802,390.69
5. Step 5: Solve for x
   x = 1,802,390.69/1,375.32
6. Step 6: Final answer
   x = 1,310.53