Finding the Fourth Proportional to 1,338.51, 2,004.52 and 926.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.51 : 2,004.52 = 926.49 : x
2. Step 2: Convert to fraction form
   1,338.51/2,004.52 = 926.49/x
3. Step 3: Cross multiply
   1,338.51x = 2,004.52 × 926.49
4. Step 4: Simplify right side
   1,338.51x = 1,857,167.73
5. Step 5: Solve for x
   x = 1,857,167.73/1,338.51
6. Step 6: Final answer
   x = 1,387.49