Finding the Fourth Proportional to 2,076.22, 3,114.34 and 615.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.22 : 3,114.34 = 615.38 : x
2. Step 2: Convert to fraction form
   2,076.22/3,114.34 = 615.38/x
3. Step 3: Cross multiply
   2,076.22x = 3,114.34 × 615.38
4. Step 4: Simplify right side
   2,076.22x = 1,916,499.47
5. Step 5: Solve for x
   x = 1,916,499.47/2,076.22
6. Step 6: Final answer
   x = 923.07