Finding the Fourth Proportional to 2,987.72, 4,461.28 and 2,364.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,987.72 : 4,461.28 = 2,364.42 : x
2. Step 2: Convert to fraction form
   2,987.72/4,461.28 = 2,364.42/x
3. Step 3: Cross multiply
   2,987.72x = 4,461.28 × 2,364.42
4. Step 4: Simplify right side
   2,987.72x = 10,548,339.66
5. Step 5: Solve for x
   x = 10,548,339.66/2,987.72
6. Step 6: Final answer
   x = 3,530.56