Finding the Fourth Proportional to 2,076.86, 3,115.22 and 616.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.86 : 3,115.22 = 616.02 : x
2. Step 2: Convert to fraction form
   2,076.86/3,115.22 = 616.02/x
3. Step 3: Cross multiply
   2,076.86x = 3,115.22 × 616.02
4. Step 4: Simplify right side
   2,076.86x = 1,919,037.82
5. Step 5: Solve for x
   x = 1,919,037.82/2,076.86
6. Step 6: Final answer
   x = 924.01