Finding the Fourth Proportional to 2,064.15, 3,096.09 and 830.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.15 : 3,096.09 = 830.07 : x
2. Step 2: Convert to fraction form
   2,064.15/3,096.09 = 830.07/x
3. Step 3: Cross multiply
   2,064.15x = 3,096.09 × 830.07
4. Step 4: Simplify right side
   2,064.15x = 2,569,971.43
5. Step 5: Solve for x
   x = 2,569,971.43/2,064.15
6. Step 6: Final answer
   x = 1,245.05