Finding the Fourth Proportional to 2,501.56, 3,748.50 and 961.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.56 : 3,748.50 = 961.72 : x
2. Step 2: Convert to fraction form
   2,501.56/3,748.50 = 961.72/x
3. Step 3: Cross multiply
   2,501.56x = 3,748.50 × 961.72
4. Step 4: Simplify right side
   2,501.56x = 3,605,007.42
5. Step 5: Solve for x
   x = 3,605,007.42/2,501.56
6. Step 6: Final answer
   x = 1,441.10