Finding the Fourth Proportional to 2,385.97, 3,577.39 and 925.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.97 : 3,577.39 = 925.27 : x
2. Step 2: Convert to fraction form
   2,385.97/3,577.39 = 925.27/x
3. Step 3: Cross multiply
   2,385.97x = 3,577.39 × 925.27
4. Step 4: Simplify right side
   2,385.97x = 3,310,051.65
5. Step 5: Solve for x
   x = 3,310,051.65/2,385.97
6. Step 6: Final answer
   x = 1,387.30