Finding the Fourth Proportional to 3,076.58, 4,618.82 and 3,045.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,076.58 : 4,618.82 = 3,045.60 : x
2. Step 2: Convert to fraction form
   3,076.58/4,618.82 = 3,045.60/x
3. Step 3: Cross multiply
   3,076.58x = 4,618.82 × 3,045.60
4. Step 4: Simplify right side
   3,076.58x = 14,067,085.81
5. Step 5: Solve for x
   x = 14,067,085.81/3,076.58
6. Step 6: Final answer
   x = 4,572.31