Finding the Fourth Proportional to 1,055.49, 1,579.10 and 932.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055.49 : 1,579.10 = 932.37 : x
2. Step 2: Convert to fraction form
   1,055.49/1,579.10 = 932.37/x
3. Step 3: Cross multiply
   1,055.49x = 1,579.10 × 932.37
4. Step 4: Simplify right side
   1,055.49x = 1,472,300.81
5. Step 5: Solve for x
   x = 1,472,300.81/1,055.49
6. Step 6: Final answer
   x = 1,394.90