Finding the Fourth Proportional to 1,495.50, 2,244.61 and 765.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.50 : 2,244.61 = 765.58 : x
2. Step 2: Convert to fraction form
   1,495.50/2,244.61 = 765.58/x
3. Step 3: Cross multiply
   1,495.50x = 2,244.61 × 765.58
4. Step 4: Simplify right side
   1,495.50x = 1,718,428.52
5. Step 5: Solve for x
   x = 1,718,428.52/1,495.50
6. Step 6: Final answer
   x = 1,149.07