Finding the Fourth Proportional to 2,076.35, 3,114.50 and 615.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.35 : 3,114.50 = 615.51 : x
2. Step 2: Convert to fraction form
   2,076.35/3,114.50 = 615.51/x
3. Step 3: Cross multiply
   2,076.35x = 3,114.50 × 615.51
4. Step 4: Simplify right side
   2,076.35x = 1,917,002.82
5. Step 5: Solve for x
   x = 1,917,002.82/2,076.35
6. Step 6: Final answer
   x = 923.26