Finding the Fourth Proportional to 2,150.32, 3,225.38 and 763.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.32 : 3,225.38 = 763.60 : x
2. Step 2: Convert to fraction form
   2,150.32/3,225.38 = 763.60/x
3. Step 3: Cross multiply
   2,150.32x = 3,225.38 × 763.60
4. Step 4: Simplify right side
   2,150.32x = 2,462,900.17
5. Step 5: Solve for x
   x = 2,462,900.17/2,150.32
6. Step 6: Final answer
   x = 1,145.36