Finding the Fourth Proportional to 10,769.54, 16,155.23 and 2,978.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,769.54 : 16,155.23 = 2,978.33 : x
2. Step 2: Convert to fraction form
   10,769.54/16,155.23 = 2,978.33/x
3. Step 3: Cross multiply
   10,769.54x = 16,155.23 × 2,978.33
4. Step 4: Simplify right side
   10,769.54x = 48,115,510.50
5. Step 5: Solve for x
   x = 48,115,510.50/10,769.54
6. Step 6: Final answer
   x = 4,467.74