Finding the Fourth Proportional to 1,495.25, 2,240.82 and 763.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.25 : 2,240.82 = 763.30 : x
2. Step 2: Convert to fraction form
   1,495.25/2,240.82 = 763.30/x
3. Step 3: Cross multiply
   1,495.25x = 2,240.82 × 763.30
4. Step 4: Simplify right side
   1,495.25x = 1,710,420.71
5. Step 5: Solve for x
   x = 1,710,420.71/1,495.25
6. Step 6: Final answer
   x = 1,143.90