Finding the Fourth Proportional to 4,968.20, 7,442.34 and 2,992.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,968.20 : 7,442.34 = 2,992.72 : x
2. Step 2: Convert to fraction form
   4,968.20/7,442.34 = 2,992.72/x
3. Step 3: Cross multiply
   4,968.20x = 7,442.34 × 2,992.72
4. Step 4: Simplify right side
   4,968.20x = 22,272,865.86
5. Step 5: Solve for x
   x = 22,272,865.86/4,968.20
6. Step 6: Final answer
   x = 4,483.09