Finding the Fourth Proportional to 16,720, 25,091.54 and 5,776

Step by Step Solution

1. Step 1: Write the proportion equation
   16,720 : 25,091.54 = 5,776 : x
2. Step 2: Convert to fraction form
   16,720/25,091.54 = 5,776/x
3. Step 3: Cross multiply
   16,720x = 25,091.54 × 5,776
4. Step 4: Simplify right side
   16,720x = 144,928,735.04
5. Step 5: Solve for x
   x = 144,928,735.04/16,720
6. Step 6: Final answer
   x = 8,667.99