Finding the Fourth Proportional to 1,920.52, 2,650.25 and 1,174.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920.52 : 2,650.25 = 1,174.51 : x
2. Step 2: Convert to fraction form
   1,920.52/2,650.25 = 1,174.51/x
3. Step 3: Cross multiply
   1,920.52x = 2,650.25 × 1,174.51
4. Step 4: Simplify right side
   1,920.52x = 3,112,751.38
5. Step 5: Solve for x
   x = 3,112,751.38/1,920.52
6. Step 6: Final answer
   x = 1,620.78