Finding the Fourth Proportional to 3,079.89, 4,620.15 and 888.95

Step by Step Solution

1. Step 1: Write the proportion equation
   3,079.89 : 4,620.15 = 888.95 : x
2. Step 2: Convert to fraction form
   3,079.89/4,620.15 = 888.95/x
3. Step 3: Cross multiply
   3,079.89x = 4,620.15 × 888.95
4. Step 4: Simplify right side
   3,079.89x = 4,107,093.89
5. Step 5: Solve for x
   x = 4,107,093.89/3,079.89
6. Step 6: Final answer
   x = 1,333.52