Finding the Fourth Proportional to 10,985.42, 16,480.56 and 3,193.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,985.42 : 16,480.56 = 3,193.58 : x
2. Step 2: Convert to fraction form
   10,985.42/16,480.56 = 3,193.58/x
3. Step 3: Cross multiply
   10,985.42x = 16,480.56 × 3,193.58
4. Step 4: Simplify right side
   10,985.42x = 52,631,986.80
5. Step 5: Solve for x
   x = 52,631,986.80/10,985.42
6. Step 6: Final answer
   x = 4,791.08