Finding the Fourth Proportional to 2,253.65, 3,380.76 and 792.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.65 : 3,380.76 = 792.81 : x
2. Step 2: Convert to fraction form
   2,253.65/3,380.76 = 792.81/x
3. Step 3: Cross multiply
   2,253.65x = 3,380.76 × 792.81
4. Step 4: Simplify right side
   2,253.65x = 2,680,300.34
5. Step 5: Solve for x
   x = 2,680,300.34/2,253.65
6. Step 6: Final answer
   x = 1,189.32