Finding the Fourth Proportional to 16,768.12, 25,155.47 and 5,678.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,768.12 : 25,155.47 = 5,678.01 : x
2. Step 2: Convert to fraction form
   16,768.12/25,155.47 = 5,678.01/x
3. Step 3: Cross multiply
   16,768.12x = 25,155.47 × 5,678.01
4. Step 4: Simplify right side
   16,768.12x = 142,833,010.21
5. Step 5: Solve for x
   x = 142,833,010.21/16,768.12
6. Step 6: Final answer
   x = 8,518.13