Finding the Fourth Proportional to 10,987.42, 16,482.78 and 3,195.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,987.42 : 16,482.78 = 3,195.22 : x
2. Step 2: Convert to fraction form
   10,987.42/16,482.78 = 3,195.22/x
3. Step 3: Cross multiply
   10,987.42x = 16,482.78 × 3,195.22
4. Step 4: Simplify right side
   10,987.42x = 52,666,108.31
5. Step 5: Solve for x
   x = 52,666,108.31/10,987.42
6. Step 6: Final answer
   x = 4,793.31