Finding the Fourth Proportional to 2,501.88, 3,752.39 and 920.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.88 : 3,752.39 = 920.25 : x
2. Step 2: Convert to fraction form
   2,501.88/3,752.39 = 920.25/x
3. Step 3: Cross multiply
   2,501.88x = 3,752.39 × 920.25
4. Step 4: Simplify right side
   2,501.88x = 3,453,132.30
5. Step 5: Solve for x
   x = 3,453,132.30/2,501.88
6. Step 6: Final answer
   x = 1,380.21