Finding the Fourth Proportional to 10,788.69, 16,184.88 and 4,945.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,788.69 : 16,184.88 = 4,945.80 : x
2. Step 2: Convert to fraction form
   10,788.69/16,184.88 = 4,945.80/x
3. Step 3: Cross multiply
   10,788.69x = 16,184.88 × 4,945.80
4. Step 4: Simplify right side
   10,788.69x = 80,047,179.50
5. Step 5: Solve for x
   x = 80,047,179.50/10,788.69
6. Step 6: Final answer
   x = 7,419.55