Finding the Fourth Proportional to 2,225.59, 3,337.71 and 764.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.59 : 3,337.71 = 764.41 : x
2. Step 2: Convert to fraction form
   2,225.59/3,337.71 = 764.41/x
3. Step 3: Cross multiply
   2,225.59x = 3,337.71 × 764.41
4. Step 4: Simplify right side
   2,225.59x = 2,551,378.90
5. Step 5: Solve for x
   x = 2,551,378.90/2,225.59
6. Step 6: Final answer
   x = 1,146.38