Finding the Fourth Proportional to 2,036.99, 3,055.42 and 925.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.99 : 3,055.42 = 925.72 : x
2. Step 2: Convert to fraction form
   2,036.99/3,055.42 = 925.72/x
3. Step 3: Cross multiply
   2,036.99x = 3,055.42 × 925.72
4. Step 4: Simplify right side
   2,036.99x = 2,828,452.62
5. Step 5: Solve for x
   x = 2,828,452.62/2,036.99
6. Step 6: Final answer
   x = 1,388.55