Finding the Fourth Proportional to 3,315.98, 4,974.55 and 1,094.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315.98 : 4,974.55 = 1,094.20 : x
2. Step 2: Convert to fraction form
   3,315.98/4,974.55 = 1,094.20/x
3. Step 3: Cross multiply
   3,315.98x = 4,974.55 × 1,094.20
4. Step 4: Simplify right side
   3,315.98x = 5,443,152.61
5. Step 5: Solve for x
   x = 5,443,152.61/3,315.98
6. Step 6: Final answer
   x = 1,641.49