Finding the Fourth Proportional to 14,978.86, 22,463.42 and 4,980.92

Step by Step Solution

1. Step 1: Write the proportion equation
   14,978.86 : 22,463.42 = 4,980.92 : x
2. Step 2: Convert to fraction form
   14,978.86/22,463.42 = 4,980.92/x
3. Step 3: Cross multiply
   14,978.86x = 22,463.42 × 4,980.92
4. Step 4: Simplify right side
   14,978.86x = 111,888,497.95
5. Step 5: Solve for x
   x = 111,888,497.95/14,978.86
6. Step 6: Final answer
   x = 7,469.76