Finding the Fourth Proportional to 1,495.56, 2,241.90 and 765.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.56 : 2,241.90 = 765.48 : x
2. Step 2: Convert to fraction form
   1,495.56/2,241.90 = 765.48/x
3. Step 3: Cross multiply
   1,495.56x = 2,241.90 × 765.48
4. Step 4: Simplify right side
   1,495.56x = 1,716,129.61
5. Step 5: Solve for x
   x = 1,716,129.61/1,495.56
6. Step 6: Final answer
   x = 1,147.48