Finding the Fourth Proportional to 2,334.78, 3,491.83 and 2,076.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,334.78 : 3,491.83 = 2,076.60 : x
2. Step 2: Convert to fraction form
   2,334.78/3,491.83 = 2,076.60/x
3. Step 3: Cross multiply
   2,334.78x = 3,491.83 × 2,076.60
4. Step 4: Simplify right side
   2,334.78x = 7,251,134.18
5. Step 5: Solve for x
   x = 7,251,134.18/2,334.78
6. Step 6: Final answer
   x = 3,105.70