Finding the Fourth Proportional to 1,374.28, 1,897.41 and 926.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.28 : 1,897.41 = 926.52 : x
2. Step 2: Convert to fraction form
   1,374.28/1,897.41 = 926.52/x
3. Step 3: Cross multiply
   1,374.28x = 1,897.41 × 926.52
4. Step 4: Simplify right side
   1,374.28x = 1,757,988.31
5. Step 5: Solve for x
   x = 1,757,988.31/1,374.28
6. Step 6: Final answer
   x = 1,279.21