Finding the Fourth Proportional to 14,851.80, 22,276.89 and 4,990.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,851.80 : 22,276.89 = 4,990.05 : x
2. Step 2: Convert to fraction form
   14,851.80/22,276.89 = 4,990.05/x
3. Step 3: Cross multiply
   14,851.80x = 22,276.89 × 4,990.05
4. Step 4: Simplify right side
   14,851.80x = 111,162,794.94
5. Step 5: Solve for x
   x = 111,162,794.94/14,851.80
6. Step 6: Final answer
   x = 7,484.80