Finding the Fourth Proportional to 1,055.82, 1,574.52 and 926.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055.82 : 1,574.52 = 926.43 : x
2. Step 2: Convert to fraction form
   1,055.82/1,574.52 = 926.43/x
3. Step 3: Cross multiply
   1,055.82x = 1,574.52 × 926.43
4. Step 4: Simplify right side
   1,055.82x = 1,458,682.56
5. Step 5: Solve for x
   x = 1,458,682.56/1,055.82
6. Step 6: Final answer
   x = 1,381.56